US PATENT SUBCLASS 297 / 423.21
.~.~.~ Having a floor-engaging support

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

423.1  DF  REST FOR KNEE, LEG, OR FOOT {6}
423.19  DF  .~ Connected to chair or seat for relative movement {5}
423.2  DF  .~.~ Horizontally slidable from beneath bottom to a position in front of bottom {2}
423.21.~.~.~ Having a floor-engaging support

DEFINITION

Classification: 297/423.21

Having a floor-engaging support:

Device under 423.2 wherein the rest is provided with a supporting leg or prop configured to extend downwardly to contact a floor.