US PATENT SUBCLASS 297 / 290
.~.~ Spring leaf or spring rod armrest

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

285  DF  BACK MOVEMENT RESILIENTLY OPPOSED IN OPERATING POSITION {12}
286  DF  .~ Resilient support includes armrest {3}
290.~.~ Spring leaf or spring rod armrest

DEFINITION

Classification: 297/290

(under subclass 286) Device wherein the armrest portion comprises an elastic leaf or rod.