US PATENT SUBCLASS 411 / 419
.~.~.~.~ Shank bifurcated by slot extending entirely therethrough

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

378  DF  EXTERNALLY THREADED FASTENER ELEMENT, E.G., BOLT, SCREW, ETC. {16}
411  DF  .~ Thread or shank structure {7}
417  DF  .~.~ Circumferentially interrupted thread {2}
418  DF  .~.~.~ By longitudinal slot {2}
419.~.~.~.~ Shank bifurcated by slot extending entirely therethrough

DEFINITION

Classification: 411/419

Shank bifurcated by slot extending entirely therethrough:

(under subclass 418) Subject matter wherein the groove passes transversely through and divides a shank of the fastening means into laterally spaced sections.