PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

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363-131 121-55A 14-.5
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Class Number: 280
 Class Title: LAND VEHICLES

Subclass  Subclass
Number    Title

  1       MISCELLANEOUS
  827     SIMULATIONS OF THE VELOCIPEDE TYPE
  828     .Occupant propelled
  829     ..Boat
  1.12    ..Aircraft
  1.13    ..Figure
  1.14    ...Noise makers
  1.16    ...Figure and carriage
  1.165   ....With moving figure or figure parts
  1.167   .....Relatively movable legs
  1.173   ...Plural
  1.175   ...Progressing rocker type
  1.177   ....Plural relatively moving rockers
  1.181   ...With alternately advanced ground engaging means
  1.182   ....Galloping progression
  1.183   .....Foot or saddle actuated
  1.184   .....With additional ground engaging means
  1.186   ...Occupant not astride
  1.188   ...Convertible, interchangeable or adjustable
  1.189   ...Combined
  1.191   ...With rider body motion
  1.192   ....With figure motion
  1.193   .....Platform rocker type
  1.194   .....Additional relatively movable drive
  1.195   .....Rigid or rigid link steering
  1.196   .....Body centrally pivoted
  1.201   ...Movably mounted figure or figure parts
  1.202   ....Steering movement
  1.203   .....Body hinged in vertical plane
  1.204   ....Movable legs
  1.206   ...Rein steered or driven
  1.207   ...Stirrup steered or driven
  1.208   ...Hollow body
  1.21    .Aircraft
  1.22    .Figure
  1.23    ..Attendant propelled
  1.5     WITH MEANS FOR ENGAGING BODY OF WALKING ATTENDANT
  3       WHEELED PROPELLED
  4       HOSE AND LADDER
  830     TANK OR BOILER
  7       .With tank leveling device
  831     .Tank forms load support
  832     .Insulated tank walls
  833     .Saddle type; vehicle frame straddling
  834     .Service tank
  835     ..Cycle type
  836     .Ground engaging or rolling wheel type
  837     .Semitrailer tank vehicle
  838     .Tank truck
  839     .Trailer tank vehicle
  5.2     STEP OR ABUTMENT ASCENDING TYPE VEHICLE
  5.22    .With endless trackk
  5.24    .With skid or rollerway
  5.26    .With spider-type engaging means
  5.28    .Relatively movable running gear portions
  5.3     .Jack-type attachment, i.e., elevating
  5.32    .Fulcrum attachment
  840     BODY-LEVELING DEVICES
  6.1     .With ground engaging means moved vertically responsive to
            body level sensing means
  6.11    .With ground engaging means interconnected for opposite
            vertical adjustment
  6.12    .Using hydraulic motor
  7.1     CONVERTIBLE, I.E., VELOCIPEDE TYPE
  7.11    .To drop frame
  7.12    .Wheel to or from runner
  7.13    ..Skates
  7.14    ..Substituted
  7.15    .Occupant propelled
  7.16    ..To or from plural occupant
  7.17    ..To non-propelled
  8       WHEELED AND RUNNER
  9       .Retracting wheel or runner
  10      ..Wheel-runner type
  11      ..Pivoted lateral axis
  841     SKATES
  11.115  .With propulsion means driven by occupant
  11.12   .Runner type
  600     ..Snow skates
  601     ..Skis
  602     ...With camber or flexibility control
  603     ...Knockdown, folding or collapsible
  604     ...With climbing or braking means
  605     ....Pivotally mounted brake member
  606     ...Steerable or with handle
  607     ...With foot supporting plate or portion
  608     ...With edge or guide strip
  609     ...With special shape, contour or groove
  610     ...Laminated or synthetic material
  11.14   ..With resiliently mounted foot supports
  11.15   ..Jointed runner and foot supports
  11.16   ..Extensible
  11.17   ..Tubular foot posts
  11.18   ..Runners
  842     .Ski simulators
  843     .Ball type roller skates
  844     .Endless tread skates
  11.19   .Wheeled skate
  11.2    ..With brake
  11.21   ..With retrogression preventers
  11.22   ..Tandem wheels
  11.23   ...Two-wheeled
  11.24   ..One-wheel
  11.25   ..Two-wheeled
  11.26   ..Extensible
  11.27   ..Trucks and mountings
  11.28   ...Resiliently yieldable
  11.3    .Shoe attaching means
  11.31   ..Toe and/or heel clamps
  11.32   ...Screw actuatedd
  11.33   ...Lever actuated
  11.34   ....With screw adjustment
  611     ..Ski fasteners
  612     ...Magnetic
  613     ...Operating mechanism located in or under boot
  614     ...Cross-country to or from downhill
  615     ...Cross-country only
  616     ...Toe and heel fasteners interconnected for simultaneous
              operation
  617     ...Toe and heel fasteners mounted on common support plate or
              element
  618     ....Plate is movable or releasable from ski
  619     ...Heel cable and/or ankle strap type
  620     ....Attached to movable or releasable plate
  621     ....Cable tightening mechanism mounted on ski
  622     ....With means to separate cable or pull cable from boot
  623     ...Hold-downs or clamps
  624     ....Side or rear hold-down only, e.g., "Spademan" bindings
  625     ....Clamp comprises plural sole engaging members
  626     ....Pivotal about horizontal and/or vertical axis
  627     .....With non-pivotal hold-down or clamp
  628     .....Pivotable about both horizontal and vertical axis
  629     .....Pivotable about vertical axis or axes
  630     ......Single fixed axes
  631     .....Single, fixed, transverse horizontal axis
  632     ......With latch or catch means
  633     ....With adjustable or detachable support
  634     ....With specific detent, adjustment or tension structure
  635     ....Toe irons, i.e., side cheeks
  636     ...Sole supports and antifriction devices
  637     ...With runaway strap
  11.36   ..Ankle braces
  809     SKI OR SKATE APPLIANCE OR ATTACHMENT
  810     .Wind sail for propelling or braking skier or skater
  811     .Ice or roller skate boot attachment (e.g., cover, protector,
            etc.)
  812     .Seat supported by ski pole
  813     .Ski or pole having means to scrape snow or ice from ski or
            boot
  814     .Clamp, tie, or case for carrying or storage of skis
  815     ..Prevents warp, maintains camber, or conforms to ski shape
  816     .Combined
  817     .Anti-crossover for skis
  818     .Having means interconnecting skis for training
  819     .Ski pole
  820     ..Having means to interconnect with another pole
  821     ..Hand grip
  822     ...Having quick release means
  823     ..Adjustable length (e.g., retractable tip)
  824     ..Ring or basket
  825     .Scabbards for ice or roller skates
  826     .Riding stick
  845     RUNNER VEHICLE
  12.1    .With occupant propelled means
  12.11   ..Intermittent ground engaging
  12.12   ...Foot actuated
  12.13   ..Traction wheel drive
  12.14   ...Foot actuatedd
  13      .Wheel runner
  14      .Hub runner
  14.1    .Skis converted to sled
  14.2    .Standing occupant
  14.3    ..With steering handle
  15      .Multiple sled
  16      ..Occupant steered
  17      ..Swivel and rocking
  18      .Toboggan
  18.1    ..Bowl or saucer type
  19      ..Drag
  19.1    .Shelter sled
  20      .Folding
  21.1    .Occupant steered
  22      ..Flexible runner
  22.1    ..Tiltable runner type
  23.1    .Push
  24      .With draft attachment
  25      .Spring
  26      .Rocker runner
  27      .Knees
  28      .Runner bases
  28.11   .With brake
  28.12   .Container type
  28.13   .Logging type sled
  28.14   .Central runner
  28.15   ..With auxiliary outrigger runner
  28.16   .Auxiliary top, bottom or side runners
  28.17   .Machinery sled
  28.18   ..Tank or vacuum cleaner
  28.5    WHEEL SUBSTITUTE
  29      WHEELED
  200     .Occupant propelled type
  201     ..Combined with pump
  202     ..With carrier
  203     ...Sidecar type
  204     ...Trailing vehicle
  205     ..Single axis or wheel
  206     ...Occupant within wheel
  207     ....Epicyclic or squirrel cage type
  208     ....Dicycles
  209     ..Parallel connected cycles
  210     ..With propulsion means
  211     ...Steering by driving
  212     ...Added or stored energy device
  213     ....Sail attachments
  214     ....With occupant propulsion means
  215     .....Interposed power storing device
  216     ......Fluid system
  217     ......Flywheel or weight
  218     ...Inching or step-by-step
  219     ...Intermittent ground engaging drive
  220     ...Movable occupant support
  221     ....Interconnected with propulsion means
  222     .....Plural occupant propelled
  223     .....With added power application
  224     ......Hand and foot
  225     ......Handd
  226.1   .....Moveable seat
  227     ......And crank hanger
  228     .....Treadmill type
  229     ....Eccentrically mounted wheels
  230     ...Plural power application
  231     ....Plural occupant propelled
  232     .....Hand and foot
  233     ....Hand and foot
  234     .....Interconnected steering means
  235     .....Seat or body steered
  236     ...Reversing and power ratio change
  237     ....Reversing
  238     ....Shiftable clutch or gearing
  239     ...Three tandem wheels
  240     ...Interconnected steering means
  241     ...Intermittent gripped belt or chain
  242.1   ...Hand propelled
  243     ....Strap, drum and ratchet
  244     ....Oscillating lever
  245     .....Rack and pinion
  246     .....Linkage and ratchet
  247     .....Linkage and crank
  248     ......With gearing
  249     ....Hand wheel or crack and gearing
  250     .....Belt or chain
  250.1   ....Wheelchair type
  251     ...Strap, drum and ratchet
  252     ...Reciprocating power application
  253     ...Oscillating lever
  254     ....Rack and pinion
  255     ....Linkage and ratchet
  256     ....Linkage and crank
  257     .....With gearing
  258     ....Ratchet and gearing
  259     ...Rotary crank power
  260     ....With gearing
  261     .....Belt or chain
  262     ....With pitman
  263     ..With steering
  264     ...Combined with brake
  265     ...Foot steered
  266     ...Seat or body steered
  267     ...Two-wheel controlled
  268     ....Centering
  269     ....Stub axle
  270     ...One-wheel controlled
  271     ....Centering
  272     ....Checked
  273     ....Plural occupant
  274     ....Frames and running gear
  275     .....Yielding
  276     ......Front forks and heads
  277     .......Independent wheel mounting
  278     .....Extensible and knockdown
  279     .....Front forks and heads
  280     ......Crowns
  281.1   ..Frames and running gear
  282     ...Polycycless
  283     ...Yielding
  284     ....Rear forks
  285     .....Independent wheel mounting
  286     ....Independent wheel mounting
  287     ...Extensible and knockdown
  288     ...Rear forks
  288.1   ...Low profile
  288.2   ...Combined with body
  288.3   ...Hollow shell frames
  288.4   ..Attachments and accessories
  290     ...Occupant body harness
  291     ...Steps and foot rests
  292     ...Towing attachments
  293     ...Props and steadying devices
  294     ....Pedal attached
  295     ....Combined and/or convertible
  296     .....With wheel or propulsion engaging means
  297     .....With locking means
  298     ....Pivoted and extensible
  299     .....U-frames
  300     .....Plural leg
  301     ....Pivoted
  302     .....U-frames
  303     .....Plural leg
  304     ....Extensible or sliding
  304.1   ...Wheelchair
  304.2   ...Wheel driven
  304.3   ...Guards and reinforcements
  304.4   ....Occupant engaging
  304.5   ...Handling and carrying attachments
  30      .Convertible
  31      ..Cradle or crib
  32      ..Skids
  32.5    .With worker's support or shade
  32.6    ..Repairman's creepers
  32.7    .Riding attachment
  400     .Articulated vehicles
  401     ..Collapsible to superposed relation
  402     ..Single end suspension of transported vehicle
  403     ..With access between vehicles
  404     ..Load separately supported on plural units (e.g., pole carrying
             type)
  405.1   ..Load distribution adjustment
  406.1   ...Plural connections
  406.2   ....House trailer hitch type
  407     ...Adjustable connection to leading vehicle
  407.1   ...Semitrailer type
  408     ..With draft means at front and rear of same vehicle (e.g.,
             vehicle train)
  409     ...For laterally offset vehicles
  410     ...Direct draft
  411.1   ..Multiple trailing vehicles
  412     ...Adjustable position
  413     ....Abreast
  414.1   ..Boat carrying type
  414.2   ...Temporarily attached wheel assembly
  414.3   ...Boat suspending means
  414.5   ..With actuator for moving trailing vehicle wheell
             vertically
  415.1   ..Convertible
  416     ...Animal and vehicle draft
  416.1   ...Convertible or interchangeable from one type coupling to
              another
  416.2   ....From three point hitch
  416.3   ....Male and female coupling member
  417.1   ....To or from gooseneck
  418     ...Two wheel and four wheel
  418.1   ...Semitrailer-type vehicle
  419     ..Interconnected steering of plural units
  420     ..Service connections
  421     ...Fluid
  422     ...Electric
  423.1   ..Semitrailer
  424     ...Passenger carrying type
  425.1   ...Coupling and uncoupling with facilitating lift means
  425.2   ....With additional detachable or shiftable gooseneck
  426     ...Steering by articulative movement
  427     ...Interrelated operation of coupling, landing gear and brake
  428     ....Interrelated brake and coupling
  429     ....Landing gear actuated by coupling action
  430     .....Longitudinally movable trailer coupling
  431     ....Landing gear and coupling interlock
  432     ...Safety devices
  433     ...Fifth wheel only
  434     ....Self-coupling
  435     .....Double pivoted jaws
  436     ......Urged to retaining position by draft
  437     .....Transverse horizontal pivot retainer
  438.1   ....Moveably mounted
  439     .....Resilient
  440     ......Rubber
  441     ......Slidably mounted
  441.1   .....Turnable-type fifth wheel coupling
  441.2   ...Detachable or shiftable gooseneck type
  442     ..Wheel steering by articulative movement
  443     ...Stub axle
  444     ....Drawbar pivoting
  445     .....With steering disabling means
  446.1   ..Condition responsive connections
  447     ...Freely laterally shiftable
  448     ...Reversal responsive articulation modification
  449     ...Overload release
  450     ....Notched bar and detent
  451     ....Frangible member (e.g., shear pin)
  452     ....Pivoted jaw or hook
  453     .....Linear motion hook release
  454     .....Double link retainer
  455     .....Resilient keeper
  455.1   ...Antisway hitch
  456.1   ..Plural or laterally adjustable connections
  457     ...Auxiliary safety connection
  458     ...With crossed connections
  459     ...Auxiliary tracking connection
  460.1   ...Laterally spaced parallel connections
  461.1   ...Vertically spaced connections
  462     ...Angularly adjustable trailer tonguee
  463     ....With actuator
  464     .....Gearing
  465     ......Screw
  466     ......Belt and sprocket
  467     ...Laterally or angularly adjustable vehicles
  468     ....With actuator
  469     .....Gearing
  470     ......Screw
  471     ......Belt and sprocket
  472     ..Laterally offset
  473     ...Side draft
  474     ..Selectively rigid or flexible
  475     ..With retractable ground support
  476.1   ..Wheeled draft connection
  477     ..Connection facilitating
  478.1   ...Draft element bodily shiftable
  479.1   ....With motor
  479.2   ....Telescoping drawbar swingable on horizontal guide
  479.3   ....Extensible swingable tow bar with coacting guide for
               centering
  480     ..Tow ropes, chains, etc.
  480.1   ...With particular storage for retracted position
  481     ..Pusher type
  482     ..Adjustable length draft devices
  483     ..Resilient
  484     ...Plural biased movements
  485     ....By single resilient element, e.g., rubber block type
  486     ...In line of draft
  487     ....To intermediate position
  488     ...About vertical pivot
  489     ...About horizontal transverse pivot
  490.1   ..Vertically adjustable
  491.1   ..Retractable, foldable or knockdown
  491.2   ...Telescoping
  491.3   ...Pivoting to nonuse position with single draft member
  491.4   ...With folding braces movable to collapsed position
  491.5   ...Readily demountable hitch
  492     ..Plural articulation axes
  493     ...Tow bar
  494     ....Horizontal pivot with vertical or universal pivots
  495     ..Vehicle mounting or clamp
  496     ...Forward of leading vehicle rear axle
  497     ...Vertically spaced connections of draft element to leading
              vehicle
  498     ...Pivoted
  499     ....Vertical pivot and spaced horizontal guide
  500     ...Modified bumper or non-coupling bumper clamp
  501     ....With other vehicle connection
  502     ....Bumper clamp
  503     ...Axle connection
  504     ..Coupling
  505     ...Bumper forms coupling element
  506     ...Rattle preventing
  507     ...Protector or lock
  508     ...Self-coupling
  509     ....Biased open
  510     ....Opened by opposite coupling part
  511     ...Ball and sockett
  512     ....Pivoted jaw or retainer
  513     ....Reciprocating jaw or retainer
  514     ...Interlocked
  515     ...Draft pin
  33.991  .Nesting vehicles
  33.992  ..Attachments or accessories
  33.993  ...Children's seat
  33.994  ...Brake or antitheft device
  33.995  ..With means facilitating unloading
  33.996  ..Pivoted load support
  33.997  ..Load supporting frame
  33.998  ..Vertically nestable or confined
  638     .Extensible
  35      ..Article support
  639     ..Folding
  640     ...Casket or stretcher type
  37      ...Traveling case
  38      ...Pivoted wheel carrier
  39      ....Longitudinal axis
  40      .....Two-wheel
  641     ....Transverse axis
  642     .....Three- or four-wheeled chair, baby carriage, or stroller
  643     ......Convertible
  644     ......Body made of flexible material
  645     .....One- or two-wheeled cart
  646     ......Laterally, inwardly collapsing wheels
  42      ...Lateral
  647     ...Wheeled chair, stroller, or baby carriage
  648     ....Convertible
  649     ....With pair of laterally spaced "x" members
  650     ....Chair or stroller for seated occupant
  651     ...Cart
  652     ....One- or two-wheeled
  653     .....Wheelbarrow
  654     .....Wheels attached to lower end of handle frame
  655     .....Collapsible handle
  655.1   ...Handle only is collapsible
  656     ..Trailer
  657     ..Carriage for live occupant
  658     ...Child's carriage
  659     ..Hand cart of barrow
  43      ..Vertically adjustable wheels
  46      ...Tongue
  47      ...Wheel adjusted by its own power
  43.1    ...Tiltable vehicle stabilized by attendant or article
  43.11   ...Load surface below wheel axis
  43.12   ...Pallet truck type
  43.13   ...Interconnecting means for adjusting wheels on different
              axles
  43.14   ....With nonwheel means for engaging the supporting
               surface
  43.15   .....With means to vary distance between wheels
  43.16   ....With means to vary distance between wheels
  43.17   ...With actuator
  43.18   ....With resilient mounting for body
  43.19   ....With flexible connection
  43.2    ....Screw-jack type
  43.21   ....Rack and pinion or ratchet typee
  43.22   ....Translating motion
  43.23   ....Power operated
  43.24   ...With nonwheel means for engaging the supporting surface
  87.01   .Coasters
  87.021  ..Occupant-pushed
  87.03   ...Yieldable
  87.041  ...Standing occupant
  87.042  ....Steered by tiltable platform (e.g. skateboard)
  87.043  ....Rear steering platform on coaster wagon
  87.05   ...Extensible or knockdown
  87.051  ...Baby walker
  47.1    .Body rocking by wheel rotation
  47.11   .Wheel steering by attendant
  47.12   .Vehicles with rocker or fulcrum supports auxiliary to
            wheels
  47.131  .Tiltable vehicles, stabilized by attendant or article
  47.15   ..Vehicle axle, shaft or spring engaging
  47.16   ..With auxiliary wheel stabilizing means at both ends
  47.17   ..Handle-propelled vehicles
  47.18   ...Convertible, selective, or changeable body
  47.19   ...Plural load supports
  47.2    ...With auxiliary wheel stabilizing means
  47.21   ...With shiftable main axle support
  47.22   ....Spring suspension
  47.23   ...Load base below wheel axis (e.g., drop body type)
  47.24   ...Laterally spaced wheels
  47.25   ....With occupant seat
  47.26   ....With receptacle body
  47.27   ....With toe (e.g., warehouse truck)
  47.28   .....With auxiliary toe or rack
  47.29   .....Movable
  47.3    ...Single wheel vehicle
  47.31   ....With receptacle body (e.g., wheelbarrow)
  47.315  ...Adjustable handle
  47.32   ..Single wheel vehicle
  47.33   ..With leg supports
  47.331  ..Boat carrier
  47.34   .Stable vehicles, handle-propelled
  47.35   ..Plural load supports
  47.36   ..Reversible handles
  47.371  ..Adjustable handle
  47.38   ..Occupant seating type (e.g., baby carriages)
  47.39   ...Reversible body
  47.4    ...Seat with back and/or foot rest
  47.41   ...Body movably supported relative to wheels
  2       .Dropped bodies
  62      .Three-wheel
  63      .Two-wheel
  64      ..Adjusting wheels
  65      ..Spring
  66      ...Thill and axle connected
  67      ....Interposed spring
  68      .....Body thill mounted
  69      .....Body axle mounted
  70      ....Body thill mounted
  71      .....Adjustable
  72      ....Body axle mounted
  73      .....Adjustablee
  74      ....Adjustable
  75      ...Thill and body connected
  76      ....Adjustable
  77      ...Adjustable
  78      .One-wheel
  79      .Spring
  79.11   .Body with bracketed-type or nonsuspended axles (e.g.
            platform type)
  79.2    ..Receptacle or occupant seating body
  79.3    ..Rack-type body
  79.4    ..Wheel or tire support body
  79.5    ..Bucket or can support body
  79.6    ..Cylindrical object with elongated horizontal axis support
             body
  79.7    ..Vertically elongated rectangular object support body
  80.1    .Running gear
  81.1    ..Multiple truck
  81.5    ...Occupant steered
  81.6    ...Self-steered trucks
  82      ..Tongue truck
  83      ...Vertically adjustable
  84      ...One-wheel
  85      ...Swinging axle and rocking
  86      ..Swivel truck
  771     ..Occupant steered
  87.1    ...Foot operated
  87.2    ...Outrigged wheel controlled
  772     ...With cornering tipping deterrent
  773     ...With manually powered hydraulic steering
  774     ...With remote position steering
  775     ...With adjustable steering wheel or column
  776     ...Including bias means maintaining steerable wheel and elongate
              surface engagement (e.g., furrow followers)
  777     ...Steering column or wheel movable in response to collision
  778     ...Plural steering hand grips or noncoaxial steering wheel and
              column
  779     ...With steering column mount or support
  780     ....Having nonrigid member
  88      ...Combined brake
  89      ...Checked
  90      ....Fluid
  91      ...Four-wheel controlled
  92      ...One-wheel controlled
  93      ...Stub axle
  94      ....Centering
  95.1    ....Link connected
  96      .....Rotary shaft and gearing
  846     .....Idler arm steering linkage
  96.1    ....Mounts
  660     .....With suspension means
  661     ......With caster and/or camber adjustment
  662     ......Plural diverse springs
  663     ......Lever and spring
  664     .......Torsion spring
  665     ........Stabilizer bar
  666     .......Coil spring
  667     ........Coil located above upper lever arm
  668     ........Coil mounted on turnable strut, e.g., "Mac Pherson-type""
                   suspension
  669     ......Leaf spring
  670     ......Coil spring
  671     ......Rubber spring
  672     ......Fluid spring
  673     ......With connection or element feature
  674     .......Ball joint feature
  675     .......Geometric feature
  96.3    .....Pivot in wheel plane
  97      ...Swinging axle
  98      ..Short turn
  99      ...Four-wheel controlled
  100     ....Oppositely swinging axles
  101     .....Pivoted and sliding reach
  102     .....Crossed reaches
  103     ...Stub axle
  104     ..Equalized frame
  676     ...Tandem axles
  677     ....With walking beam
  678     .....With fluid-type suspension
  679     .....With torsion-type suspension
  680     .....With leaf-type suspension
  681     .....With rubber-type suspension
  682     ....With rocker
  683     ....With fluid-type suspension
  684     ....With torsion-type suspension
  685     ....With coil-type suspension
  686     ....With leaf-type suspension
  687     ....With rubber-type suspension
  105     ..Roller bearing frame
  781     ..Vehicle frame
  782     ...Forming fluid or electrical conduit means or having other
              means to accommodate the transmission of a force or signal
  783     ...Having storage compartment
  784     ...Having impact absorbing means
  785     ...Assembled from prefabricated connectable sections
  786     ...Single longitudinal beam type
  787     ....With spring suspension means
  788     ...With resilient means for suspension
  789     ...Trailer type
  790     ...Having vertically offset load bearing surface
  791     ...Pinched frame type
  792     ...Wide-hipped frame type
  793     ...X-frame type
  794     ....Tansverse frame members form "X"
  795     ...Transverse member is body support
  796     ...Having tubular transverse frame member
  797     ...Longitudinal frame member is box-shaped
  798     ...Longitudinal frame member is tubular
  799     ...Longitudinal frame member is an "T" beam
  800     ...Longitudinal frame member is channel-shaped
  107     ..With body or load retainers
  108     ..With tongue antivibrators
  109     ..Swinging axle and rocking
  110     ...Spring
  111     ..Rocking
  112.1   ...Spring
  112.2   ....Roll-responsive rocking axles for body bankingg
  113     ..Swinging axle
  114     ...Platform type
  115     ....Spring
  116     ...With draft attachment
  117     ...Offset pivot
  118     ....Spring
  119     .....Longitudinal leaf
  120     ...Spring
  121     ....Leaf
  122     .....Longitudinal
  123     .....Cross
  688     ..Suspension means
  689     ...Anti-sway
  690     ...Independent
  691     ....Steerable
  692     .....Plural diverse springs
  693     .....Fluid
  694     .....Leaf
  695     .....Torsion
  696     .....Coil
  697     ....Plural diverse springs
  698     ....Fluid
  699     ....Leaf
  700     ....Torsion
  701     ....Coil
  702     ...Fluid
  703     ....Anti-nose dive and/or squat systems
  704     ....Wheel raising
  705     ....Road arm
  706     ....Vacuum controls spring strength
  707     ....With electric control means
  708     ....Hydro-pneumatic
  709     ....Hydraulic
  710     .....With non-fluid spring means
  711     ....Pneumatic
  712     .....With nonfluid spring means
  713     .....With lever stabilizer means
  714     ....With specific valve or valve arrangement
  715     ...Plural, diverse nonfluid springs
  716     ...Rubber
  717     ....Torsion
  718     ...Leaf
  719     ....Transverse
  720     ....Single leaf
  721     ...Torsion
  722     ....Coil
  723     ....Transverse
  724     ...Coil
  725     ....With lever stabilizer means
  726     .....Transverse lever
  125     ..Swinging axle connections
  126     ...Rocking
  127     ....Platform types
  128     .....Spring
  129     ....Spring
  130     ...Platform type
  131     ....Spring
  132     ...With draft attachmentt
  133     ...Offset pivot
  134     ....Spring
  135     .....Longitudinal leaf
  136     ...Spring
  137     ....Longitudinal leaf
  138     ...Antirattlers
  139     ..Hounds
  140     ..Reaches
  141     ...Swivel
  142     ...Extensible
  143     ..Bolsters and standards
  144     ...Varying width adjustment
  145     ...Pivotally connected
  146     ...Vertically adjustable standard
  147     ...Readily removable standards
  148     ...Supplemental bolsters
  149     ..Irons and clips
  149.1   ..Interchangeable axles
  149.2   ..Longitudinally shiftable running gear
  727     .Attachments
  728     ..Inflatable passenger restraints or confinements and
             attachments thereto
  729     ...Plural compartment confinement, e.g., "bag within a bag"
  730     ...Inflated confinement specifically positioned relative to
              occupant
  731     ...Deflated confinement located within or on steering column
  732     ...Deflated confinement located in or on instrument panel
  733     ...In the form of or used in conjunction with a belt or strap
  734     ...Responsive to vehicle condition
  735     ....Electric control and/or sensor means
  736     ...With source of inflation fluid and flow control means
              thereof
  737     ....With means to rupture or open fluid source
  738     ....With means to aspirate ambient air
  739     ....With confinement deflation means
  740     ....With means to diffuse inflation fluid
  741     ...Inflation fluid source
  742     ...Flow control means
  743     ...Confinement structure
  801 R   ..Safety belt or harness, e.g., lap belt or shoulder
             harness
  802     ...Passive restraint system
  803     ....Having belt retractor mounted on vehicle closure
  804     ....Having belt connected to member slidable in a
               vehicle-mounted track
  805     ...With energy absorber
  806     ...Inertia responsive locking or tightening of belt or harness
  807     ...Retractable
  808     ...Shoulder belt or harness
  801 A   ...Having adjustable anchor means
  748     ..Passenger safety guards
  749     ...Safety net, curtain, or transparent sheet
  750     ...Connected to the steering wheel or column
  751     ...Padded or cushioned member
  752     ....Instrument panel or dashboard
  753     ....Positionable by automatic actuator
  754     ..Vehicle spring jacking lock, between sprung and unsprung mass
  755     ..To prevent vehicle tip or tiltt
  756     ..Roll bars and/or overhead guards
  757     ..Anti-skid or slide
  758     ...Shiftable-type anti-skid counter weights
  759     ...Static-type anti-skid counter weights
  760     ..Auxiliary platform or frame attachment for tractors
  761     ..Parking assisting devices, nonpowered
  762     ..Exterior
  763.1   ...Retractable prop, support or stabilizer
  764.1   ....With actuator for pivoted support
  765.1   .....Having additional translating or telescoping movement
  766.1   ....With actuator for translating or telescoping support
  767     ...Auxiliary wheel
  768     ...Trailer skirts
  769     ...Article carriers
  770     ...For protecting the vehicle body
  151     ..Auxiliary load starters
  847     ..Dust and mud guards
  152.05  ...With wheel or tire carrying means
  152.1   ...Velocipede type
  152.2   ....Combined with wheel guards
  152.3   ....Flexible or sectional
  848     ...Body attached
  153.5   ....Joints welts
  154     ....Securing device
  849     ....Fender skirts
  850     ....Scuff pads and covering shields for fenders
  851     ...Splash guards
  852     ....For velocipedes
  155     ...Thill or tongue attached
  156     ...Wheel attached
  157     ...Axle attached
  853     ...Aperture fender wall with closures
  854     ...Fender braces
  855     ..Wheel scrapers and cleaners
  158.1   ...Velocipede type
  856     ...Wheel scrapers for dual wheels
  159     ..Dust guards
  160     ..Wheel guards
  160.1   ...Velocipede type
  161     ..Chafe irons
  162     ...Roller
  163     ..Steps
  164.1   ...Combined devices
  164.2   ....Steps combined with shoe scrapers
  165     ...Wheel or axle attached
  166     ...Shiftable
  169     ...Treads
  170     ..Whip sockets
  171     ...Whip gripping
  172     ....Spring
  173     ....Rubber gaskets
  174     ....Pivotally connected sections
  175     ...Brackets and clips
  176     ...Lock
  177     ...Combined rein holders
  178     ...Whip manipulating devices
  180     ..Hay load binder
  181     ..Rein supports and guardss
  182     ..Rein holders
  183     ...Clamp
  184     ....Spring
  185     .....Pivoted jaws
  186     ..Hitching and controlling devices
  187     ...Weight
  188     ...Ground engaging brake lever
  189     ...Wheel operated
  190     ....Winding drum
  191     .....Shiftable gear
  192     .....Clutch
  *       ******************************
  *       CROSS-REFERENCE ART COLLECTIONS
  *       ******************************
  900     RUNNER VEHICLE ATTACHMENTS
  901     ADAPTATIONS ON NONSPECIALIZED VEHICLES TO SEMI-TRAILER TRACTORS
  *       ******************************
  *       DIGESTS
  *       ******************************
  DIG 1   Load responsive (leveling of vehicle)
  DIG 2   Wheel supports for outboard motors
  DIG 3   Wheeled shopping bag
  DIG 4   Grocery store cart
  DIG 5   Motorized golf carts
  DIG 6   Wheeled golf club carriers
  DIG 7   Air bag rollers
  DIG 8   Separable body or container-type semi-trailers
  DIG 9   Occupant-steered trailers
  DIG 10  Stair climbing chairs
  DIG 11  Walking attendant steered trailers
  DIG 12  Clamp-type ski bindings having plural diverse axes or
           clamps
  DIG 13  Ski binding controlled by skier position or by remote
           control
  DIG 14  Tractor-trailer backing connections