Smoke detector

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Description

FIG. 1 is a perspective view of the smoke detector according to the present invention;

FIG. 2 is a top plan view of the smoke detector on a reduced scale;

FIG. 3 is a front elevational view of the smoke detector on a reduced scale;

FIG. 4 is a bottom plan view of the smoke detector on a reduced scale.

Referenced Cited
U.S. Patent Documents
D119200 February 1940 Van Houten
3226703 December 1965 Finkle
Other references
  • Institutions, Oct. 1960, p. 118, Fire Detector. "Pyr-A-Larm", Fire & Smoke Detection Systems Cat. 1971, p. 2, Thermal Fire Detector (left).
Patent History
Patent number: D254901
Type: Grant
Filed: Jan 3, 1978
Date of Patent: May 6, 1980
Assignee: Multirich Enterprise USA Incorporated
Inventor: William W. Ng (Pasadena, CA)
Primary Examiner: Susan J. Lucas
Attorney: Robert L. Parker
Application Number: 5/866,252
Classifications
Current U.S. Class: D10/106
International Classification: D1005;