US PATENT SUBCLASS 152 / 326
.~.~.~ With perforations

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

151  DF  TIRES, RESILIENT {14}
246  DF  .~ Cushion {4}
323  DF  .~.~ Integral {3}
326.~.~.~ With perforations

DEFINITION

Classification: 152/326

The integral cushion tire has holes extending through it transversely.

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321,