US PATENT SUBCLASS 411 / 943
.~ Flexible washer

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

924  DF  COUPLED NUT AND BOLT {13}
943.~ Flexible washer

DEFINITION

Classification: 411/943

Flexible washer:

Art collection of fasteners under art collection 924 in which the fastener is provided with a washer secured to the bolt which washer has an interlastic portion turn against the nut after the nut is screwed on.