Smoke detector cover

Follow

Information

Patent Grant
D271089

References
Source

Patent Number
D271,089
Date Filed
Tuesday, February 17, 1981
45 years ago
Date Issued
Tuesday, October 25, 1983
42 years ago

Inventors
- John Mallory
Original Assignees
- Isotec Industries Limited
Examiners
- Lucas; Susan J.
Agents
- Sim & McBurney

US Classifications
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 104
- D10 106
- D10 121
- 340 540
- 340 541
- 340 542
- 340 545
- 340 546
- 340 547
- 340 552-556
- 340 561
- 340 565
- 340 566
- 340 568
- 340 576-581
- 340 584
- 340 586
- 340 588
- 340 628
- 340 629
- 340 630
- 340 632
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a smoke detector cover, as shown and described.

US Referenced Citations (3)

Number	Name	Date	Kind
D213028	Walz	Dec 1968
2419957	Laford	May 1947
2446217	Druffel	Aug 1948

Non-Patent Literature Citations (1)

Entry
Nutone Electrical Products Division Catalog, 12-1979, p. 39, Smoke Detector S-230.