Siren for fire alarm

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Description

FIG. 1 is a front elevational view of a siren for a fire alarm showing my new design;

FIG. 2 is a bottom plan view thereof, with the top plan being a mirror image;

FIG. 3 is a right side elevational view thereof, with the left side being a mirror image;

FIG. 4 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D243321 February 8, 1977 Mayer
D244362 May 17, 1977 Mayer
D246700 December 20, 1977 Gilson
D256002 July 22, 1980 Price
D265802 August 17, 1982 Vickery
D279771 July 23, 1985 Hinata
4525703 June 25, 1985 Bellino
Patent History
Patent number: D318437
Type: Grant
Filed: Jul 7, 1989
Date of Patent: Jul 23, 1991
Assignee: Kobishi Electric Co., Ltd. (Tokyo)
Inventors: Yoshikazu Kojima (Urawa), Seita Moriya (Ageo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Law Firm: Darby & Darby
Application Number: 7/376,804
Classifications
Current U.S. Class: Siren Or Horn (D10/120); D10/106