US PATENT SUBCLASS 301 / 36.2
.~.~ Relatively rotatable

Current as of: June, 1999
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301 /   HD   LAND VEHICLES: WHEELS AND AXLES

5.1  DF  WHEEL {21}
36.1  DF  .~ Dual wheels {2}
36.2.~.~ Relatively rotatable

DEFINITION

Classification: 301/36.2

Relatively rotatable:

(under subclass 36.1) Dual wheels wherein both turn about the same axis but may turn at different rates.