US PATENT SUBCLASS 152 / 319
.~.~.~.~.~.~ Recessed

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

151  DF  TIRES, RESILIENT {14}
246  DF  .~ Cushion {4}
310  DF  .~.~ Casing enclosed core {1}
311  DF  .~.~.~ Separate core {1}
312  DF  .~.~.~.~ Removable {5}
318  DF  .~.~.~.~.~ Integral structure {3}
319.~.~.~.~.~.~ Recessed {1}
320  DF  .~.~.~.~.~.~.~> Chambered

DEFINITION

Classification: 152/319

The integral separate enclosed core is provided with recesses. This includes recesses of large circumferential extent and they may be grooves extending entirely around the tire.

SEE OR SEARCH THIS CLASS, SUBCLASS:

157, and 324.