Push button lock module for attachment to a door knob

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a left-front perspective view of a push button lock module for attachment to door knob showing our new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D289971 May 26, 1987 Carter
3667261 June 1972 McGourty
4027508 June 7, 1977 McGourty
4274272 June 23, 1981 Wang et al.
4640110 February 3, 1987 Fish et al.
Patent History
Patent number: D302788
Type: Grant
Filed: Mar 9, 1987
Date of Patent: Aug 15, 1989
Inventors: Thomas K. McGourty (Paso Robles, CA), Lawrence F. McGourty (Paso Robles, CA)
Primary Examiner: A. Hugo Word
Assistant Examiner: Brian N. Vinson
Attorney: Fred N. Schwend
Application Number: 7/23,308
Classifications
Current U.S. Class: D/8343; D/8350