US PATENT SUBCLASS 411 / 485
.~ Hook head

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

439  DF  IMPACT DRIVEN FASTENER, E.G., NAIL, SPIKE, TACK, ETC. {13}
485.~ Hook head

DEFINITION

Classification: 411/485

Hook head:

(under subclass 439) Subject matter wherein the impact receiving surface includes an angularly shaped portion adapted to be grasped or to attach an member thereto.