US PATENT SUBCLASS 297 / 452.12
.~.~ One-piece panel

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

452.1  DF  BOTTOM OR BACK {12}
452.11  DF  .~ Directly connected bottom and back {2}
452.12.~.~ One-piece panel {2}
452.13  DF  .~.~.~> Flexible panel fixed to a frame (e.g., fabric, elastomeric sheet, etc.)
452.14  DF  .~.~.~> Rigid or semirigid plastic panel {1}

DEFINITION

Classification: 297/452.12

One-piece panel:

(under subclass 452.11) Device wherein the bottom and back are integral; i.e, made of a continuous length of material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93, for an interchangeable and reversible one-piece bottom and back.

299, for a fabric one-piece bottom and back resiliently supported in operative position.

351, for a laterally folding one-piece fabric bottom and back.

440.11, for a one-piece flexible bottom and back detachably connected to other components of a seat by a detachable joint.