Occupancy sensor cover

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Information

Patent Grant
D320758

References
Source

Patent Number
D320,758
Date Filed
Monday, December 18, 1989
34 years ago
Date Issued
Tuesday, October 15, 1991
32 years ago

Inventors
- William R. Lutz
- William C. Onsrud
Original Assignees
- NATIONAL SERVICE INDUSTRIES, INC
Examiners
- Burke; Wallace R.
- Jackson; Marcus
Agents
- Darnell; Kenneth E.

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 104
- D10 105
- D10 106
- D10 121
- 340 600
- 340 613
- 340 666
- 340 693
- 340 565
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an occupancy sensor cover, as shown and described.

US Referenced Citations (4)

Number	Name	Date	Kind
D277465	MacDonald	Feb 1985
D294231	Cameron, Jr. et al.	Feb 1988
D305881	Bergeron	Feb 1990
D312423	Orlinsky et al.	Nov 1990

Non-Patent Literature Citations (1)

Entry
NuTone 1979, p. 39, upper left corner-Smoke Detector.