US PATENT SUBCLASS 297 / 423.31
.~.~.~.~ Held by a prop behind rest

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}
423.26  DF  .~.~ Pivoted for vertical swinging (i.e., about horizontal axis) {4}
423.3  DF  .~.~.~ Pivot axis adjacent and parallel to front edge of bottom {2}
423.31.~.~.~.~ Held by a prop behind rest {1}
423.32  DF  .~.~.~.~.~> Prop adjusts rest to plural use positions {1}

DEFINITION

Classification: 297/423.31

Held by a prop behind rest:

(under subclass 423.3) Device including a rigid elongated element configured to support a rear side of the rest in a use position.