US PATENT SUBCLASS 411 / 988
.~.~.~ Spike-held locking 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}
984  DF  .~.~ Longitudinal {5}
988.~.~.~ Spike-held locking plate

DEFINITION

Classification: 411/988

Spike-held locking plate:

Art collection under art collection 984 in which the locking mechanism is of sheet form and is held against the device by a nail or other driven fastener extending into the substructure.