US PATENT SUBCLASS 180 / 22
.~ Five or more wheels

Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

21  DF  SPECIAL WHEEL BASE {6}
22.~ Five or more wheels {12}
23  DF  .~.~> Driven steering wheel type {1}
24.01  DF  .~.~> Having tandem steerable or translatable wheels or wheel sets
24.02  DF  .~.~> Displaceable wheel shifts or proportions load
24.03  DF  .~.~> Independently rotatable side-by-side dual wheels
24.04  DF  .~.~> With differential housing integrally fixed to vehicle frame
24.05  DF  .~.~> Rocker beam houses drive means
24.06  DF  .~.~> Plural propelling motors {1}
24.08  DF  .~.~> Each wheel positively driven
24.09  DF  .~.~> With interaxle differential
24.1  DF  .~.~> With drive interrupt means to either tandem drive wheel
24.11  DF  .~.~> Driven tandem wheels {1}
24.13  DF  .~.~> Spring rocker beam

DEFINITION

Classification: 180/22

(under subclass 21) Motor vehicles comprising five or more main supporting-wheels.

(1) Note. These are single vehicles and are distinguishable by this from the vehicles of subclass 14.1.

SEE OR SEARCH THIS CLASS, SUBCLASS:

11+, for vehicles having wheeled motor carrying attachments.

14.1, (see Note 1).

15, for single vehicles having additional traction wheels.

233+, for a motor vehicle having four wheels which are driven.