US PATENT SUBCLASS 152 / 512
.~.~.~.~ With reinforcement element

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

151  DF  TIRES, RESILIENT {14}
450  DF  .~ Pneumatic tire or inner tube {23}
510  DF  .~.~ Tire characterized by its air impervious liner or inner tube {1}
511  DF  .~.~.~ Inner tube {1}
512.~.~.~.~ With reinforcement element

DEFINITION

Classification: 152/512

With reinforcement element:

(under subclass 511) Subject matter wherein the inner tube is strengthened throughout at least a portion of its extent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

195, for armored inner tubes.