US PATENT SUBCLASS 411 / 990
.~.~.~ Washer tongue-held

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}
984  DF  .~.~ Longitudinal {5}
990.~.~.~ Washer tongue-held

DEFINITION

Classification: 411/990

Washer tongue-held:

Art collection under art collection 984 wherein the locking mechanism is held in position by an integral portion of a washer which, in locking position, extends above a portion of the device.