US PATENT SUBCLASS 280 / 89.11
.~.~.~.~.~ Center or neutral angulation

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
80.1  DF  .~ Running gear {20}
771  DF  .~.~ Occupant steered {15}
89  DF  .~.~.~ Checked {2}
89.1  DF  .~.~.~.~ Stub axle supported wheels {2}
89.11.~.~.~.~.~ Center or neutral angulation

DEFINITION

Classification: 280/89.11

Center or neutral angulation:

(under subclass 89.1) Subject matter wherein the steerable road wheels are (a) restrained in or (b) returned to a straight-line travel position.

(1) Note. Patents properly classified herein require sufficient resistive or restorative force to preclude unintended variant excursion of the steerable road wheels from straight-line travel position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

268, for an occupant-propelled-type wheeled land vehicle including means for holding or returning two steered wheels to a centered or straight line travel orientation. Further, in accordance with the (2) Note of Class 280, subclass 200, motorcycle frames and running gear, without features causing classification in Class 180, Motor Vehicles, are included in theses subclasses.