US PATENT SUBCLASS 280 / 282
.~.~.~ Polycycles

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}
282.~.~.~ Polycycles

DEFINITION

Classification: 280/282

(under subclass 281.1) Frames which are designed for more than two wheels.