US PATENT SUBCLASS 411 / 486
.~ Head forms segment of disk

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}
486.~ Head forms segment of disk

DEFINITION

Classification: 411/486

Head forms segment of disk:

(under subclass 439) Subject matter wherein the impact receiving surface is configured into a portion of a circular band of material.