Fire and smoke detector

- Nittan Company, Limited

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Description

FIG. 1 is a top plan view of a fire and smoke detector showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a cross-sectional elevational view, taken on line 3--3 of FIG. 1;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D263381 March 16, 1982 Kelley
4257039 March 17, 1981 Webb et al.
Patent History
Patent number: D271670
Type: Grant
Filed: Jun 22, 1981
Date of Patent: Dec 6, 1983
Assignee: Nittan Company, Limited (Tokyo)
Inventors: Nobuei Takai (Tokyo), Katsura Yamamoto (Tokyo)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Suzanne N. Gitlin
Law Firm: Ladas & Parry
Application Number: 6/276,321
Classifications
Current U.S. Class: D10/106; D10/104
International Classification: D1005;