US PATENT SUBCLASS 280 / 271
.~.~.~.~ Centering

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

29  DF  WHEELED {21}
200  DF  .~ Occupant propelled type {8}
263  DF  .~.~ With steering {5}
270  DF  .~.~.~ One-wheel controlled {4}
271.~.~.~.~ Centering

DEFINITION

Classification: 280/271

(under subclass 270) Vehicles in which means is provided for holding the vehicle in a straight course or for returning it to the straight forward position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

89+, for a general utility wheeled land vehicle including occupant controlled steering having means for inhibiting or prohibiting unintended variant operation of the steerable road wheels.

108, for draft or tongue antivibrators.

268, for an occupant propelled-type wheeled land vehicle including steering control by two steerable road wheels and having means for restraining or returning the two steerable road wheels to a straight-line orientation.