US PATENT SUBCLASS 411 / 972
.~ Distorted

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}
972.~ Distorted

DEFINITION

Classification: 411/972

Distorted:

Art collection under art collection 955 wherein the device is locked by deforming a portion thereof to engaged the substructure.