US PATENT SUBCLASS 152 / 331.1
.~.~ Multiple chamber

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}
331.1.~.~ Multiple chamber {3}
332.1  DF  .~.~.~> Cylinder and piston
333.1  DF  .~.~.~> Transverse walls {2}
339.1  DF  .~.~.~> Annular chambers {2}

DEFINITION

Classification: 152/331.1

Multiple chamber:

(under subclass 450) Subject matter wherein the pneumatic tire consists of a plurality of enclosed hollow places.

SEE OR SEARCH THIS CLASS, SUBCLASS:

320, 322, 325, 328, and 329, for other multiple chamber constructions.