US PATENT SUBCLASS 301 / 64.4
.~.~.~.~ Removably secured together

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

5.1  DF  WHEEL {21}
62  DF  .~ Compression wheel {6}
63.1  DF  .~.~ Disc {4}
64.3  DF  .~.~.~ Wheel formed from two discs {1}
64.4.~.~.~.~ Removably secured together {1}
64.5  DF  .~.~.~.~.~> By tab struck from disc

DEFINITION

Classification: 301/64.4

Removably secured together:

(under subclass 64.3) Wheel wherein the first and second load-carrying, generally flat- or dish-shaped, portions are detachably fastened to each other.