Lock washer

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Description

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

FIG. 2 is a top-plan view thereof;

FIG. 3 is a side-elevational view thereof;

FIG. 4 is a bottom-plan view thereof; and

FIG. 5 is a reduced bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
D26801 March 1897 Spear
D32218 February 1900 Doughtery
797925 August 1905 Thomas
920947 May 1909 Gilmore
Patent History
Patent number: D269852
Type: Grant
Filed: Oct 13, 1981
Date of Patent: Jul 26, 1983
Inventor: Bengt O. Frieberg (La Habra Heights, CA)
Primary Examiner: B. J. Bullock
Attorney: Francis X. LoJacono
Application Number: 6/310,532
Classifications
Current U.S. Class: D/8399
International Classification: D0808;