US PATENT SUBCLASS 297 / 200
.~.~ Plural independent compartments

Current as of: June, 1999
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297 /   HD   CHAIRS AND SEATS

195.1  DF  STRADDLE SEAT (E.G., SADDLE TYPE, ETC.) {16}
199  DF  .~ Pneumatic cushion {1}
200.~.~ Plural independent compartments

DEFINITION

Classification: 297/200

(under subclass 199) Device wherein two or more separate fluid containing chambers are provided.