Dimming switch

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Description

FIG. 1 is a perspective view of a dimming switch, 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 bottom side elevational view thereof;

FIG. 5 is a front elevational view of a second embodiment of FIG. 1;

FIG. 6 is a front elevational view of third embodiment of FIG. 1;

FIG. 7 is a front elevational view of a fourth embodiment of FIG. 1;

FIG. 8 is a front elevational view of a fifth embodiment of FIG. 1;

FIG. 9 is a front elevational view of a sixth embodiment of FIG. 1;

FIG. 10 is a front elevational view of a seventh embodiment of FIG. 1.

Referenced Cited
U.S. Patent Documents
D214990 August 1969 Mellyn
D227577 July 1973 Mayo
D249141 August 29, 1978 Mayo
D262261 December 15, 1981 Schumacher et al.
D282067 January 7, 1986 Inaba
D297508 September 6, 1988 Yandek et al.
D309290 July 17, 1990 Newmark et al.
4544811 October 1, 1985 Brevick
Foreign Patent Documents
1375400 July 1964 FRX
Patent History
Patent number: D320786
Type: Grant
Filed: Dec 18, 1989
Date of Patent: Oct 15, 1991
Assignee: National Service Industries, Inc. (Atlanta, GA)
Inventors: Charles J. Darnell (Lithonia, GA), William R. Lutz (Tucker, GA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Attorney: Kenneth E. Darnell
Application Number: 7/451,550
Classifications
Current U.S. Class: Button Operated (D13/171)