Door lock

- Modern Manufacturing

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Description

FIG. 1 is a top, front, and right side perspective view of a door lock showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof, the bottom being a mirror image of that shown;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
721045 February 1903 Keller
3815945 June 1974 Lamphere
3963269 June 15, 1976 Rosenberg
4076294 February 28, 1978 Holmberg
4195870 April 1, 1980 Percoco
4326394 April 27, 1982 Stein
4506527 March 26, 1985 Grill
4629231 December 16, 1986 Bouchard
Foreign Patent Documents
148717 August 1920 GBX
Patent History
Patent number: D319964
Type: Grant
Filed: Sep 27, 1990
Date of Patent: Sep 17, 1991
Assignee: Modern Manufacturing (Phoenix, AZ)
Inventor: Blair E. Johns (Phoenix, AZ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Leydig, Voit & Mayer
Application Number: 7/588,973
Classifications
Current U.S. Class: D/8344