US PATENT SUBCLASS 411 / 947
.~ Elastic-gripping action

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}
947.~ Elastic-gripping action

DEFINITION

Classification: 411/947

Elastic-gripping action:

Art collection under art collection 924 in which the nut or a provided washer is composed wholely or partly of elastic material which grips the threaded or other part of the bolt.