US PATENT SUBCLASS 297 / 216.13
.~ Force-absorbing means incorporated into back

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

216.1  DF  CRASH SEAT {5}
216.13.~ Force-absorbing means incorporated into back {1}
216.14  DF  .~.~> For absorbing rear-impact force

DEFINITION

Classification: 297/216.13

Force-absorbing means incorporated into back:

(under subclass 216.1) Device wherein the force- mitigating

means is attached to or incorporated into a back of a seating device.