US PATENT SUBCLASS 297 / 411.29
.~.~ To back only
Current as of:
June, 1999
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CHAIRS AND SEATS
411.2
DF
ARMREST
{11}
411.26
DF
.~ Detachably interfitted to a particular chair or seat at a connecting joint {2}
411.29
.~.~ To back only
DEFINITION
Classification: 297/411.29
To back only:
(under subclass 411.26) Armrest detachably interfitted to a back (or back frame) and to no other part of the seating device.