US PATENT SUBCLASS 297 / 21
.~.~ Set means operative between back post and rear leg

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

16.1  DF  COLLAPSIBLE CHAIR; I.E., RELATIVELY FOLDING BOTTOM, BACK, AND LEGS {15}
19  DF  .~ With means to hold chair in plural operative configurations {4}
21.~.~ Set means operative between back post and rear leg {1}
22  DF  .~.~.~> Back-to-leg prop {1}

DEFINITION

Classification: 297/21

(under subclass 19) Device having a back post or frame provided with a member, integral therewith or carried thereby, which is settable at plural locations along a rear leg.