US PATENT SUBCLASS 301 / 6.3
.~.~ And with brake-cooling means

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

5.1  DF  WHEEL {21}
6.1  DF  .~ With drive or brake attachment {8}
6.3.~.~ And with brake-cooling means {1}
6.4  DF  .~.~.~> Comprising means to utilize a fluid

DEFINITION

Classification: 301/6.3

And with brake-cooling means:

(under subclass 6.1) Wheel including provision to reduce the thermal level of the brake structure.