US PATENT SUBCLASS 180 / 9.64
.~.~.~.~ Belt or chain driven

Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

7.1  DF  SPECIAL DRIVING DEVICE {6}
9  DF  .~ Portable track {2}
9.1  DF  .~.~ Endless, flexible {12}
9.62  DF  .~.~.~ Toothed wheel drive {1}
9.64.~.~.~.~ Belt or chain driven

DEFINITION

Classification: 180/9.64

(under subclass 9.62) Motor vehicles wherein said toothed wheel is driven by a power train which includes a belt or a sprocket chain.