US PATENT SUBCLASS 411 / 483
.~ Wire formed head


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

439  DF  IMPACT DRIVEN FASTENER, E.G., NAIL, SPIKE, TACK, ETC. {13}
483.~ Wire formed head


DEFINITION

Classification: 411/483

Wire formed head:

(under subclass 439) Subject matter wherein the impact receiving surface comprises a wire element configured to produce a projection transverse to the fastener axis.

(1) Note. The wire formed head is often a continuation of the shank portion of the fastener.

SEE OR SEARCH THIS CLASS, SUBCLASS:

543, for wire formed washers.