US PATENT SUBCLASS 280 / 250
.~.~.~.~.~ Belt or chain

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

29  DF  WHEELED {21}
200  DF  .~ Occupant propelled type {8}
210  DF  .~.~ With propulsion means {15}
242.1  DF  .~.~.~ Hand propelled {4}
249  DF  .~.~.~.~ Hand wheel or crack and gearing {1}
250.~.~.~.~.~ Belt or chain

DEFINITION

Classification: 280/250

(under subclass 249) Vehicles in which the gearing is a belt or chain gearing.

SEE OR SEARCH CLASS

474, Endless Belt Power Transmission Systems or Components, appropriate subclasses for a power transmission using a belt or chain drive system.