US PATENT SUBCLASS 152 / 420
.~.~.~.~ Gearing

Current as of: June, 1999
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152 /   HD   RESILIENT TIRES AND WHEELS

151  DF  TIRES, RESILIENT {14}
415  DF  .~ Inflating devices {5}
418  DF  .~.~ Wheel carried supply {1}
419  DF  .~.~.~ With positive pump operating means {3}
420.~.~.~.~ Gearing

DEFINITION

Classification: 152/420

The pump operating means comprises a gear.