PTO Manual of Classification for US patents

PTO Manual of Classification for US patents

What follows are the subclasses from one class of the Manual of Classification for US patents. As you scroll through the list and encounter a class/subclass of interest, you can jump back to the top and retrieve patent titles by entering the class/subclass in the box below.


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363-131 121-55A 14-.5
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Class Number: 182
 Class Title: FIRE ESCAPE, LADDER, OR SCAFFOLD

Subclass  Subclass
Number    Title

  1       MEANS MAINTAINING STEP LEVER ON HORIZONTALLY PIVOTED LADDER
  2       MEANS MAINTAINING PLATFORM LEVEL ON ANGULARLY MOVABLE SUPPORT
  3       TORSO HARNESS
  4       .Window washer type
  231     .Attached to strand wound on reel, and means for retarding
            unwinding of strand
  232     ..Including spring for rewinding strand
  233     ..Fluid resistance brake
  234     ..Movable, friction brake element applied by centrifugal force
  235     ..Friction brake and occupant-operated mechanism for applying
             brake during descent
  5       .Strand-engaging, with descent retarder
  6       ..Leg or loop type
  7       ..With seat
  8       .Ladder-associated
  9       .With pole encircling or grasping means
  10      INCLINED CABLE SUPPORTING CARRIER TRAVELING THEREALONG
  11      .Occupant-controlled
  12      HORIZONTAL TRAVERSING - ACTUATION, CONTROL, OR RESPONSE
  13      .Occupant actuation or control
  14      ..Occupant-controlled ascent or descent
  15      ..Holding means
  16      .With handle or steering means
  17      .Holding means
  18      WITH INDICATOR, SIGNAL OR ALARM
  19      AUTOMATIC CONTROL
  20      CONVERTIBLE
  21      .Ladder
  22      ..Ladder of different type
  23      ...Stepladder prop pivoted to inverted position
  24      ....Stile and prop end abutting
  25      ....With spreader or tie
  26      ...Stepladder type with variable prop and ladder connection
  27      ..Scaffold
  28      ..Table
  29      ...Ironing board
  30      ....Board as pivoted ladder prop
  31      .....Crossed leg board support
  32      ...Wash stand
  33      ..Chair or stool
  33.2    ...Bottom and legs invert to unveil ladder
  33.3    ...Steps on chair back
  33.4    ....Fixed steps
  33.5    ...Step withdraws from beneath seat
  33.6    ....End-for-end turnout
  34      ..Bed
  35      .Furniture
  36      TRAVERSING, TRACK-MOUNTED
  37      .With occupant elevating or lowering means
  38      .With vertically spaced second track
  39      .Ground- or floor-engaging
  40      UPWARDLY EXTENSIBLE FLEXIBLE LADDER OR ESCAPEE
  41      .Self-rigidifying
  42      ENDLESS CONVEYER ESCAPE
  43      .Top and bottom support
  44      ..With pivoted or folding attached carrier
  45      PITCHED ROOF CONFORMING SCAFFOLD
  46      WITH INSULATION
  47      .Fire or heat shield
  48      CHUTE OR ESCAPE TOWER FOR PERSONNEL
  49      .With ladder
  50      WITH PROJECTOR OR PROJECTILE
  51      WITH FLUID HANDLING
  52      .Conduit is support
  53      DETACHABLE WINDOW SEAT TYPE
  54      .With step or additional platform
  55      .Platform below window
  56      .Extensible platform
  57      .Interior wall-engaging means
  58      ..Depending
  59      ...Saddle
  60      ....Wall-clamping means
  61      ....Exterior strut
  62      ..With outside strut or brace
  62.5    WITH EXTENSIBLE VERTICAL AND NONVERTICAL SECTIONS
  63      WITH TRANSPOSITIONING AND ERECTION MEANS
  64      .Ladder rotatably mounted on supporting base (e.g., vehicle)
  65      ..Base rotates on vertical axis
  66      ...Reciprocating ladder section
  67      ....Extending section stiles supported on fixed section stiles
  68      ..Pivotally mounted extension ladder on horizontal axis
  69      ...Lazy tong-extending means
  70      WITH STORAGE DEVICE FOR SUPPLE ESCAPE
  73      .Reel
  74      ..Escape of ladder type lowers upon release of latch
  75      ...With retarder or brake on reel
  236     ..With means for retarding unwinding of strand type escape
  237     ...Including spring for rewinding strand
  238     ...Fluid resistance brake
  239     ...Movable, friction brake element applied by centrifugal force
  240     ...Friction brake and occupant-operated mechanism for applying
              brake during descent
  71      .Occupant weight-actuated descent device
  72      .Occupant-controlled descent retarder
  76      .Wall-embedded
  77      DOOR AND LADDER
  78      .Door operates ladder
  79      ..Guided rigid ladder
  80      ...Guide on wall or frame
  81      ..Door and ladder on opposite sides of wall
  82      WALL- OR FLOOR-ATTACHED
  83      .Wall-mounted platform, with ladder
  84      ..Movable platform with movable ladder
  85      ..Movable ladder
  86      ...Pivoted
  87      .Embedded scaffold support member
  88      .Retractable or collapsible beneath floor, track-mounted
  89      .Spring-biased pivoted step or ladder
  90      .Independent rung or step
  91      ..Pivotedd
  92      ..Readily detachable
  93      .Ladder
  94      ..Wall penetrating operating means
  95      ..Folding, rigid components
  96      ...Parallelogram type
  97      ..Pivoted
  98      ...Normally counterbalanced to inoperative position
  99      ..With portion overhanging roof
  100     .Single pole or strand
  101     LADDER WITH VERTICALLY MOVING PLATFORM OR ESCAPE
  102     .Ladder supports platform
  103     ..Stile or prop-guided carriage
  104     PIVOTALLY CONNECTED LADDERS, MUTUALLY SUSTAINING
  105     .Central upright ladder section supported therebetween
  106     WITH HANDRAIL OR GUARD FOR LADDER
  107     SAFETY DEVICE FOR GROUND-SUPPORTED LADDER
  108     .Terminal foot or shoe
  109     ..Diverse ground-engaging means
  110     ..Suction cup
  111     ..Pivotal component
  112     SAFETY DEVICE, PLATFORM ASSOCIATED
  113     .Railing
  114     WITH SUCKER ROD SUPPORT
  115     LADDER AND PLATFORM
  116     .Platform with ladder as support
  117     ..Between spaced ladders
  118     ...Facing ladders
  119     ....Readily detachable platform
  120     ..Detachable step, single ladder
  121     ...Plural rung-engaging
  122     ....Stile-contacting
  123     ..Plural platforms
  124     ..Ladder with pivoted ladder prop and pivoted platform
  125     ..Platform positioned by ladder and prop divergence
  126     ..Prop-pivoted platform
  127     LADDER WITH LAND VEHICLE
  128     SCAFFOLD SUPPORTED INTERNALLY ON SHAFT
  129     COMBINED
  130     PLURAL PLATFORMS, COMMON SUPPORT
  131     .Mounted for relative motion
  132     .Stepped
  133     POLE OR STRAND GRASPING-TYPE CLIMBER
  134     .Foot- or leg-attachable
  135     ..With diverse holding means for occupant
  136     .Alternate grasping
  137     BODY CATCHER
  138     .Sheet or net type
  139     ..Tensioned peripherally
  140     ..Folding base
  141     PLATFORM WITH ELEVATING OR LOWERING MEANS
  142     .Suspended
  143     ..Simultaneously operable suspension means
  144     ...Platform continuously level
  145     ..Separate (i.e., nonwork) support for suspension means
  146     ...Platform holding detent coacts with support
  147     ..Plural distinct elevating means
  148     .Operating means on platform
  149     .Trestle-type support, beam-elevatingg
  150     SUSPENDED PLATFORM
  151     KIT OR SEPARABLE PARTS
  152     UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER
  153     .Trestle
  154     ..Crossed leg
  155     ..Legs foldable parallel to beam axis in all planes
  156     .Collapsible ladder
  157     ..Lazy tong type
  158     ...Mechanical or power-extending means
  159     ..Parallel moving side, pivoted rung or step
  160     ...Storage providing component
  161     ...Plural element stile
  162     ...With collapsible prop
  163     ..Folding stile
  164     ...Rung-to-rung stile sections
  165     LADDER WITH PIVOTED PROP
  166     .Section extensible below prop pivot
  167     ..With step registration
  168     .Coplanar extension with prop pivoted to lower section
  169     .Single rear prop, pole type
  170     .Rear prop, laterally moving
  171     .Converging and contacting stiles or props
  172     .Lateral prop
  173     .Hinged to top-step rear flange
  174     .Pivoted to top-step cleat
  175     ..With cleat spaced spreader or tie
  176     ...Multiple link folding spreader
  177     .Overlapping stile and prop
  178     WITH STACKING MEANS
  179     SELF-SUSTAINING
  180     .Ladder
  181     .Scaffold horse (i.e., trestle)
  182     ..Intermediate extensible shaft
  183     ..Longitudinally extensible beam
  184     ..Extensible leg
  185     ..Unitary leg and beam coupler brace
  186     ..Beam clamped by leg actuation
  187     SCAFFOLD EXTERNAL OF SHAFT
  188     .Horizontally adjustable
  189     SINGLE STILE, STRAND OR POLE
  190     .Flexible
  191     ..With sliding carrier
  192     ...Load-responsive brake
  193     ...Occupant-actuated brake
  194     LADDER
  195     .Slidable nested single rung units
  196     .Flexible
  197     ..With spacer
  198     ...Rung-attached
  199     ..Plural spaced strand stile member
  200     .Supporting surface compensating means
  201     ..Stile extension
  202     ...Equalizing extensions
  203     ...Rung-engaging means
  204     ...Increment adjustment
  205     ....Ratchet type
  206     .With hook or grab
  207     .Extensionn
  208     ..Mechanical or power-extending
  209     ..With latch
  210     ...Section movement actuated
  211     ....Spring-biased latch
  212     ...With remote control of latch
  213     ....Elevating cable actuated
  214     .With spacer means
  215     .Rung sandwiched between elements of composite stile
  216     .Tie rod assembled
  217     .With reinforcing means
  218     ..Bow string type
  219     ..For side rail
  220     .Independent support for rung
  221     LEG OR SHOE ATTACHABLE POLE CLIMBER
  222     PLATFORM
  223     .Relatively movable sections
  224     SCAFFOLD HORSE BEAM OR LEG
  225     .Relatively movable
  226     ..Beam clamped by pivoting leg
  227     ..With intermediate staff
  228     RUNG, STEP OR RUNG-STILE CONNECTION
  229     PUTLOG OR SPACER
  241     MOVABLE STRAND ESCAPE AND MEANS FOR RETARDING TRAVEL OF STRAND
  230     MISCELLANEOUS