US PATENT SUBCLASS 411 / 982
.~.~.~.~ Spring-tongued washer plate

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}
982.~.~.~.~ Spring-tongued washer plate

DEFINITION

Classification: 411/982

Spring-tongued washer plate:

Art collection under art collection 980 having a washer or plate, and one or more resilient dogs or tabs engaging the side surface of the device.