Heat detector

- Pittway Corporation

FIG. 1 is an elevational view of a heat detector showing my new design:

FIG. 2 is an elevational view thereof, 90.degree. removed from FIG. 1;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a fragmentary view in partial section taken along line 5--5 of FIG. 1.

The conventional wire grill, partially shown in FIGS. 1, 2 and 5, is understood to cover the entire areas indicated.

Referenced Cited
U.S. Patent Documents
D204916 May 1966 Blevins
D206139 November 1966 Smith
D215039 August 1969 Abe
D240120 June 1976 Pasquarette
D269331 June 14, 1983 Fenne
D271287 November 8, 1983 Fenne
D276417 November 20, 1984 Fenne
Patent History
Patent number: D308835
Type: Grant
Filed: Aug 10, 1987
Date of Patent: Jun 26, 1990
Assignee: Pittway Corporation (Northbrook, IL)
Inventor: Kenneth R. Fenne (Glen Ellyn, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Law Firm: Dressler, Goldsmith, Shore, Sutker & Milnamow, Ltd.
Application Number: 7/83,308
Current U.S. Class: D10/106