US PATENT SUBCLASS 280 / 287
.~.~.~ Extensible and knockdown

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

29  DF  WHEELED {21}
200  DF  .~ Occupant propelled type {8}
281.1  DF  .~.~ Frames and running gear {7}
287.~.~.~ Extensible and knockdown

DEFINITION

Classification: 280/287

(under subclass 281.1) Frames constructed to be extended or readily taken apart or folded.

SEE OR SEARCH THIS CLASS, SUBCLASS:

34+, 87.05, and 278, for other adjustable vehicles.