US PATENT SUBCLASS 152 / 312
.~.~.~.~ Removable

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.~.~.~.~ Removable {5}
313  DF  .~.~.~.~.~> Sponge rubber
314  DF  .~.~.~.~.~> With core compression
315  DF  .~.~.~.~.~> Superimposed rings
316  DF  .~.~.~.~.~> Sectional transversely {1}
318  DF  .~.~.~.~.~> Integral structure {3}

DEFINITION

Classification: 152/312

The separate enclosed core is removable from the casing. This includes structure where the casing and rim together enclose the core.

SEE OR SEARCH THIS CLASS, SUBCLASS:

157, and 158.