US PATENT SUBCLASS 411 / 981
.~.~.~.~ Coiled washer

Current as of: June, 1999
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411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

955  DF  LOCKED BOLTHEAD OR NUT {7}
974  DF  .~ Side lock {7}
979  DF  .~.~ Resilient {1}
980  DF  .~.~.~ Automatic {2}
981.~.~.~.~ Coiled washer

DEFINITION

Classification: 411/981

Coiled washer:

Art collection under art collection 980 wherein the device is locked by a washer coiled about the device and having a portion engaging a side surface of the device.