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: 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