US PATENT SUBCLASS 152 / 315
.~.~.~.~.~ Superimposed rings


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}
315.~.~.~.~.~ Superimposed rings


DEFINITION

Classification: 152/315

The removable separate enclosed core consists of a plurality of rings superimposed upon each other in such fashion that they are positioned directly radially outward of each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

157, and 302.