US PATENT SUBCLASS 411 / 912
ANTISPLITTING FASTENER

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

912ANTISPLITTING FASTENER

DEFINITION

Classification: 411/912

ANTI-SPLITTING FASTENER:

Art collection of fasteners or fastener elements provided with means to prevent the material into which the fastener or element is driven from splitting.