Smoke detector

- Pittway Corporation
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a side elevational view of a smoke detector showing my new design, it being understood that the opposite side is a mirror image thereof;

FIG. 2 is a side elevational view thereof, rotated 90.degree. from that of FIG. 1;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D204916 May 1966 Blevins
D235629 July 1975 Steele
D271287 November 8, 1983 Fenne
D271572 November 29, 1983 Creelman
D271670 December 6, 1983 Takai et al.
D271671 December 6, 1983 Thornton, Jr.
D273952 May 22, 1984 Stansbury, Jr. et al.
4315594 February 16, 1982 Niederost
4823118 April 18, 1989 Suzuki et al.
Patent History
Patent number: D311703
Type: Grant
Filed: May 18, 1987
Date of Patent: Oct 30, 1990
Assignee: Pittway Corporation (Northbrook, IL)
Inventor: Kenneth R. Fenne (Glen Ellyn, IL)
Primary Examiner: James M. Gandy
Assistant Examiner: Marcus Jackson
Law Firm: Dressler, Goldsmith, Shore, Sutker & Milnamow, Ltd.
Application Number: 7/51,016
Classifications
Current U.S. Class: D10/106