Lock washer

Description

FIG. 1 is a top-plan view of a lock washer, showing my new design;

FIG. 2 is a cross-sectional view taken along line 2--2 of FIG. 1;

FIG. 3 is a side-elevational view thereof; and

FIG. 4 is a bottom-plan view thereof.

Referenced Cited
U.S. Patent Documents
613630 November 1898 Himes
1041832 October 1912 Martin
2922454 January 1960 Vossloh
3221792 December 1965 Poupitch
Patent History
Patent number: D263791
Type: Grant
Filed: Jan 28, 1980
Date of Patent: Apr 13, 1982
Inventor: Bengt O. Frieberg (La Habra Heights, CA)
Primary Examiner: A. Hugo Word
Attorney: Francis X. LoJacono
Application Number: 6/116,105
Classifications
Current U.S. Class: D/8399
International Classification: D0808;