Dimming switch

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Information

Patent Grant
D320786

References
Source

Patent Number
D320,786
Date Filed
Monday, December 18, 1989
34 years ago
Date Issued
Tuesday, October 15, 1991
32 years ago

Inventors
- Charles J. Darnell
- William R. Lutz
Original Assignees
- NATIONAL SERVICE INDUSTRIES, INC
Examiners
- Ansher; Bernard
- Morris; Sandra
Agents
- Darnell; Kenneth E.

US Classifications
- D13 - Equipment for production, distribution, or transformation of energy
Field of Search
- US
- D08 350-353
- D13 158
- D13 168-171
- 174 66
- 200 310
- 200 332
- 200 341
- 220 241
- 323 905
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a dimming switch, as shown and described.

US Referenced Citations (8)

Number	Name	Date	Kind
D214990	Mellyn	Aug 1969
D227577	Mayo	Jul 1973
D249141	Mayo	Aug 1978
D262261	Schumacher et al.	Dec 1981
D282067	Inaba	Jan 1986
D297508	Yandek et al.	Sep 1988
D309290	Newmark et al.	Jul 1990
4544811	Brevick	Oct 1985

Foreign Referenced Citations (1)

Number	Date	Country
1375400	Jul 1964	FRX