US PATENT SUBCLASS 297 / 266.1
.~.~.~.~ Extensible


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

258.1  DF  ROCKER-MOUNTED {7}
261.1  DF  .~ Track-mounted rocker (e.g., platform rocker) {6}
264.1  DF  .~.~ Spring return to neutral position {3}
265.1  DF  .~.~.~ Coil spring {1}
266.1.~.~.~.~ Extensible {1}
267.1  DF  .~.~.~.~.~> With opposing compressible coil spring


DEFINITION

Classification: 297/266.1

Extensible:

(under subclass 265.1) Device wherein the displacement of the rocker elongates the helix.