US PATENT SUBCLASS 297 / 343
.~.~.~.~ Back slidably connected to back support

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

311  DF  MOVABLE BOTTOM {5}
340  DF  .~ Interconnected with back for relative concurrent movement {1}
341  DF  .~.~ Back tilts and bottom moves forwardly {1}
342  DF  .~.~.~ Rearwardly tilting of back {1}
343.~.~.~.~ Back slidably connected to back support

DEFINITION

Classification: 297/343

(under subclass 342) Device provided with pin and slot guideways, or equivalent bearing means joining the back to its support to facilitate relative movement therewith.