US PATENT SUBCLASS 411 / 948
.~ Longitudinal key

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

924  DF  COUPLED NUT AND BOLT {13}
948.~ Longitudinal key

DEFINITION

Classification: 411/948

Longitudinal key:

Art collection under art collection 924 in which the nut and bolt are locked together by a key whose locking portion extends longitudinally of the bolt.