US PATENT SUBCLASS 297 / 271.6
.~.~ Having curved rail

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

258.1  DF  ROCKER-MOUNTED {7}
271.5  DF  .~ With floor or ground contacting rocker {1}
271.6.~.~ Having curved rail

DEFINITION

Classification: 297/271.6

Having curved rail:

(under subclass 271.5) Device provided with a rocker which is in a shape of a bow.