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.
Enter a class/subclass code here to get a list of patent titles. Use
any of the following forms:
363-131 121-55A 14-.5
that is, no embedded spaces, class and subclass seperated by a dash, and any
subclass letters capitalized. Currently Design Patent titles (those in the
classes of the form Dxx.yy) are not retreivable.
Class Number: 298 Class Title: LAND VEHICLES: DUMPING Subclass Subclass Number Title 1 R MISCELLANEOUS 1 A .Auxiliary dump body mounted in nondumping body 1 B .Dump body includes flexible or movable bottom part to facilitate dumping 1 H .Means for heating dumping body 1 SG .Wheel splash guards movable responsive to body tilting 1 V .Vibrator means to facilitate removal of material 1 C .Motor driven carts having forwardly dumping body 1 T .Toy dump trucks 2 HAND TRUCKS AND BARROWS 3 .Single wheel 4 SLEDS 5 TWO-WHEEL 6 .With cover or end gate control 7 WITH LOAD-DELIVERING CHUTE 8 R PLURAL LOAD UNITS 8 H .Hopper type body 8 T .Multiple dumping vehicles connected in tandem 9 ROTATING ABOUT VERTICAL AXIS AND TILTING 10 ROTATING TO OVERTURN ABOUT FIXED AXIS 11 ELEVATING AND TILTING 12 SLIDING AND TILTING 13 .Side delivery only 14 .Operating mechanism 15 ..Vehicle-motion controlled 16 ..Vehicle-motor controlled 17 R TILTING 17.5 .Tilting about plural or shifting fulcrums 17.6 ..Selectively tiltable in different directions 17.7 ...Side or end delivery 17.8 ...Progressive fulcrum points 18 .Side delivery only 19 R .Operating mechanism 20 R ..Vehicle-motion controlled 20 A ...Motion effecting means mounted on fifth wheel 22 R ..Fluid-pressure operators 22 AE ...Fluid pressure actuator associated with fifth wheel mechanism 22 C ...Control means for hydraulic tilting mechanism 22 F ...Tilting mechanism includes flexible operator means (e.g., cable) 22 J ...Jack-knife linkage actuated by hydraulic means 22 P ...Plural, simultaneously operated fluid cylinder means 22 A ...Rotary piston type 22 B ...Cam means in cooperation with fluid pressure means 22 D ...Pivotally connected (non-jack-knife type) linkage actuated to effect tilting 21 R ..Vehicle-motor controlled 21 V ...Tilting mechanism includes flexible operator means (e.g., cable) 19 B ..Booster device for initial tilting movement 19 V ..Tilting mechanism includes flexible operator means,, (e.g., cable) 23 R .With cover or endgate control 23 MD ..Motor operated endgate opening means 23 M ..Motor operated endgate latch means 23 S ..Combined latch and endgate opening means 23 A ..Automatic (non-motor) endgate latch mechanism 23 B ...Including cam actuator means 23 F ...Including flexible operating member 23 D ..Automatic, positive, non-motor endgate opening means 23 DF ...Including flexible operating member 23 C ..Dump body covers, control means therefor 23 TT ..Miscellaneous tilting trucks 17 B .Brace or prop to support tilted load body 17 S .Vehicle includes means to stabilize or level body while dumping 17 SG .Ground engaging 17 T .Tractor dumping attachments 24 HOPPER TYPE 25 .Pivoted sections 26 .Tilting bottom 27 .Bottom opening 28 ..Removable bottom boards 29 ..Hinged doors 30 ...Transversely hinged only 31 ...Longitudinally hinged only 32 ....Parallel swinging 33 ....Oppositely swinging 34 .....Inwardly only 35 R .....Outwardly only 36 ......Vertically movable 37 ......Closing equalizers 35 M ......Motor operated doors 38 CATCHES