Combined smoke detector control unit and smoke detector

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Description

FIG. 1 is a top perspective view of a combined smoke detector control unit and smoke detector showing my new design, with the cords broken away to indicate indeterminate length;

FIG. 2 is a front elevational view thereof, of the smoke detector control unit portion;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a bottom perspective view thereof, of the smoke detector portion, with the cord omitted for convenience of illustration.

Referenced Cited
U.S. Patent Documents
D241323 September 1976 Sparks et al.
D246034 October 11, 1977 Sparks et al.
D297219 August 16, 1988 Taylor
3226703 December 1965 Finkle
3890513 June 1975 Barleen et al.
4538137 August 27, 1985 Kimura
4617560 October 14, 1986 Gutmann
4792797 December 20, 1988 Tanguay
Patent History
Patent number: D333796
Type: Grant
Filed: Jun 21, 1990
Date of Patent: Mar 9, 1993
Inventor: Paul Bannon (Newburyport, MA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Attorney: Terry M. Gernstein
Application Number: 7/541,360
Classifications
Current U.S. Class: D10/106