US PATENT SUBCLASS 152 / 288
.~.~.~.~.~.~ Arcuate interior surface

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

151  DF  TIRES, RESILIENT {14}
246  DF  .~ Cushion {4}
247  DF  .~.~ Metallic springs {4}
284  DF  .~.~.~ Coil {2}
285  DF  .~.~.~.~ Circumferential {2}
287  DF  .~.~.~.~.~ Enclosed {1}
288.~.~.~.~.~.~ Arcuate interior surface

DEFINITION

Classification: 152/288

The interior surface of the enclosure about the circumferentially extending coil springs presents an arcuate cross section throughout, except that there may be some departure from the arcuate in providing wheel securing means adjacent the rim.

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