US PATENT SUBCLASS 297 / 256
.~.~.~ Rigid panel-type bottom

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

250.1  DF  SUPPLEMENTAL SEAT (E.G., CHILD SEAT, ETC.) {8}
254  DF  .~ Back-connected {1}
255  DF  .~.~ Collapsible or foldable unit {1}
256.~.~.~ Rigid panel-type bottom

DEFINITION

Classification: 297/256

(under subclass 255) Device wherein the auxiliary seat

includes a stiff platelike bottom.