US PATENT SUBCLASS 297 / 344.25
.~.~.~ Back tilted to permit seat rotation

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

311  DF  MOVABLE BOTTOM {5}
344.1  DF  .~ Bottom and back movable as a unit {3}
344.21  DF  .~.~ About vertical axis; i.e., rotates {4}
344.25.~.~.~ Back tilted to permit seat rotation

DEFINITION

Classification: 297/344.25

Back tilted to permit seat rotation:

(under subclass 344.21) Device wherein the unit includes a lock mechanism configured to become unlocked when the back is moved to an inclined position to allow rotation of the unit.