Door lock
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
Foreign 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 |
148717 | August 1920 | GBX |
Patent History
Patent number: D317111
Type: Grant
Filed: May 29, 1990
Date of Patent: May 28, 1991
Inventor: Blair E. Johns (Phoenix, AZ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Application Number: 7/530,086
Type: Grant
Filed: May 29, 1990
Date of Patent: May 28, 1991
Inventor: Blair E. Johns (Phoenix, AZ)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Application Number: 7/530,086
Classifications
Current U.S. Class:
D/8344;
D/8331