Central thermostat

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Description

FIG. 1 is a top, front and right side perspective view of a central thermostat showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a right side elevational view;

FIG. 4 is a left side elevational view;

FIG. 5 is a bottom plan view;

FIG. 6 is a rear elevational view; and

FIG. 7 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D248455 July 11, 1978 Cunnie
D264189 May 4, 1982 Crawford et al.
D268252 March 15, 1983 Chambers
D273466 April 17, 1984 Lawrence et al.
D297419 August 30, 1988 Bonnema et al.
D301119 May 16, 1989 Arnott
4316256 February 16, 1982 Hendricks et al.
4319711 March 16, 1982 Barker et al.
4557317 December 10, 1985 Harmon, Jr.
Patent History
Patent number: D309268
Type: Grant
Filed: Sep 21, 1987
Date of Patent: Jul 17, 1990
Assignee: Mitsubishi Denki Kabushiki Kaisha (Tokyo)
Inventors: Seiji Wada (Kamakura), Nobuo Otsuka (Kamakura), Toyohiro Kobayashi (Shizuoka), Peter Thompson (Cypress, CA)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorney: Alan B. Samlan
Application Number: 7/98,680
Classifications
Current U.S. Class: Temperature Regulator Or Thermostat (D10/50)