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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.
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