US PATENT SUBCLASS 297 / 211
.~.~.~ Parallel stems each supported by encircling spring

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}
208  DF  .~ Coil spring-mounted {2}
209  DF  .~.~ Vertically oriented {3}
211.~.~.~ Parallel stems each supported by encircling spring

DEFINITION

Classification: 297/211

(under subclass 209) Device provided with two or more parallel rods depending from the seat and each rod is resiliently supported by a coil spring which surrounds the rod.