Lock washer assembly

Description

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

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof; and

FIG. 4 is a cross sectional view taken in the direction of the arrows of line 4--4 of FIG. 1.

Referenced Cited
U.S. Patent Documents
D263791 April 13, 1982 Frieberg
2222156 November 1940 Rowe
Foreign Patent Documents
2413760 November 1974 DEX
Other references
  • Van Huffel Cat. L-56, 1/1953, p. 40, extrusion 2793 (second row, far right).
Patent History
Patent number: D276309
Type: Grant
Filed: Feb 12, 1982
Date of Patent: Nov 13, 1984
Inventor: Bengt O. Frieberg (La Habra Heights, CA)
Primary Examiner: B. J. Bullock
Attorney: Francis X. LoJacono
Application Number: 6/348,291
Classifications
Current U.S. Class: D/8399