US PATENT SUBCLASS 411 / 929.2
.~.~ Distorted washer
Current as of:
June, 1999
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411 /
HD
EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER
924
DF
COUPLED NUT AND BOLT
{13}
929
DF
.~ Thread lock {12}
929.2
.~.~ Distorted washer
DEFINITION
Classification: 411/929.2
Distorted washer:
Art collection under art collection 929 in which a nut and bolt are provided with a distorted washer to lock the nut to the bolt.