US PATENT SUBCLASS 301 / 63.1
.~.~ Disc

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.~.~ Disc {4}
64.1  DF  .~.~.~> Having spoke configuration {1}
64.3  DF  .~.~.~> Wheel formed from two discs {1}
64.6  DF  .~.~.~> Of fabric, wood or paper
64.7  DF  .~.~.~> Of plastic

DEFINITION

Classification: 301/63.1

Disc:

(under subclass 62) Wheel including a flat or dish shaped, load-carrying portion between the rim and the hub.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5.3+, for a disc-type skate wheel.

SEE OR SEARCH CLASS

172, Earth Working,

535, for a rolling earth-working tool comprising a disc with a detachable rim, and subclass 604 for an earth-working disc, per se.