Automatic set-back control for gas water heater

Description

FIG. 1 is a perspective view of an automatic set-back control for gas water heaters showing my new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

Referenced Cited
U.S. Patent Documents
D76275 September 1928 Wilms
D209513 December 1967 Walters
D220042 March 1971 Rinaldi
D246159 October 25, 1977 Podall
D250635 December 26, 1978 Carlson
D250949 January 30, 1979 Reis
D264446 May 18, 1982 McKinnon
3997742 December 14, 1976 Marquis
Patent History
Patent number: D274135
Type: Grant
Filed: May 3, 1982
Date of Patent: Jun 5, 1984
Assignee: Aidan Industries, Inc. (Los Angeles, CA)
Inventor: Grove M. Anderson (Simi Valley, CA)
Primary Examiner: Nelson C. Holtje
Attorneys: Charles H. Schwartz, Ellsworth R. Roston
Application Number: 6/373,853