Thermostat

- Mark Controls Corporation
Description

FIG. 1 is a front and top-left perspective view of a thermostat showing our new design;

FIG. 2 is a front and bottom-right perspective view thereof;

FIG. 3 is a front elevational view thereof, the broken-line showings being environmental only and forming no part of the claimed design;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front and bottom-right perspective view of a second embodiment of our new design of FIGS. 1-5;

FIG. 7 is a front and bottom-right perspective view of a third embodiment of our new design of FIGS. 1-5;

FIG. 8 is a front and bottom-right perspective view of a fourth embodiment of our new design of FIGS. 1-5;

FIG. 9 is a front and bottom-right perspective view of a fifth embodiment of our new design of FIGS. 1-5;

FIG. 10 is a front and bottom-right perspective view of a sixth embodiment of our new design of FIGS. 1-5;

FIG. 11 is a front and bottom-right perspective view of an seventh embodiment of our new design of FIGS. 1-5;

FIG. 12 is a front and bottom-right perspective view of an eighth embodiment of our new design of FIGS. 1-5;

FIG. 13 is a front and bottom-right perspective view of a ninth embodiment of our new design of FIGS. 1-5;

FIG. 14 is a front and bottom-right perspective view of a tenth embodiment of our new design of FIGS. 1-5;

FIG. 15 is a front and bottom-right perspective view of an eleventh embodiment of our new design of FIGS. 1-5.

Referenced Cited
U.S. Patent Documents
D177151 March 1956 Ray
D185598 June 1959 Dreyfuss
D202441 September 1965 Monson
2279305 April 1942 Drake
Patent History
Patent number: D273944
Type: Grant
Filed: Feb 12, 1982
Date of Patent: May 22, 1984
Assignee: Mark Controls Corporation (Evanston, IL)
Inventors: David F. Koeneman (Mt. Prospect, IL), Harold P. Adams (Norridge, IL), Robert W. Blee (Terrace Park, OH)
Primary Examiner: Nelson C. Holtje
Law Firm: Willian, Brinks, Olds, Hofer, Gilson & Lione Ltd.
Application Number: 6/348,420
Classifications