US PATENT SUBCLASS 292 / 31
.~.~.~.~ Rigid
Current as of:
June, 1999
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292 /
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CLOSURE FASTENERS
2
DF
BOLTS
{15}
3
DF
.~ Multiple {16}
24
DF
.~.~ Hooked end {1}
25
DF
.~.~.~ Operating means {6}
31
.~.~.~.~ Rigid
DEFINITION
Classification: 292/31
(under subclass 25) Devices having rigid means, such as handles, knobs, or the like.