US PATENT SUBCLASS 297 / 271.6
.~.~ Having curved rail
Current as of:
June, 1999
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297 /
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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.