Smoke detector

- Pittway Corporation
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Description

FIG. 1 is a side elevational view of a smoke detector showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof, seen in the direction of line 3--3 of FIG. 1;

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D220662 May 1971 Buhrer
D249481 September 19, 1978 Conforti
D262952 February 9, 1982 Hanig
Patent History
Patent number: D271287
Type: Grant
Filed: Apr 27, 1981
Date of Patent: Nov 8, 1983
Assignee: Pittway Corporation (Aurora, IL)
Inventor: Kenneth R. Fenne (Glen Ellyn, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Suzanne N. Gitlin
Law Firm: Dithmar, Stotland, Stratman & Levy
Application Number: 6/257,529
Classifications
Current U.S. Class: D10/106; D10/104
International Classification: D1005;