Smoke detector

- Pittway Corporation
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Description

FIG. 1 is a top plan view of a smoke detector showing my new design;

FIG. 2 is a side elevational view of the smoke detector;

FIG. 3 is a bottom view of the smoke detector;

FIG. 4 is a top plan view of a second embodiment of the smoke detector;

FIG. 5 is a side elevational view of the second embodiment of the smoke detector; and

FIG. 6 is a bottom view of the second embodiment of the smoke detector.

Referenced Cited
U.S. Patent Documents
D253525 November 27, 1979 Wilson
Other references
  • Graviner Fire Protection Systems Brochure, 1978, p. 2, Fixed Temperature Protector.
Patent History
Patent number: D269161
Type: Grant
Filed: Mar 25, 1981
Date of Patent: May 31, 1983
Assignee: Pittway Corporation (Aurora, IL)
Inventor: Kenneth R. Fenne (Glen Ellyn, IL)
Primary Examiner: Susan J. Lucas
Law Firm: Dithmar, Stotland, Stratman & Levy
Application Number: 6/247,602
Classifications
Current U.S. Class: D10/106
International Classification: D1006;