Fire alarm

- A-T-O Inc.
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Description

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

FIG. 2 is a top plan view thereof, the bottom having the same appearance;

FIG. 3 is a rear elevational view thereof; and

FIG. 4 is a right side elevational view thereof, the left side having the same appearance.

Referenced Cited
U.S. Patent Documents
D213027 December 1968 Walz
D225379 December 1972 Gallagher
Other references
  • Progressive Architecture, June 1975, p. 95, Ionization Detector, left.
Patent History
Patent number: D246701
Type: Grant
Filed: Jun 30, 1976
Date of Patent: Dec 20, 1977
Assignee: A-T-O Inc. (Willoughby, OH)
Inventor: Channing Wallace Gilson (Los Angeles, CA)
Primary Examiner: Susan J. Lucas
Attorney: Louis J. Knobbe
Application Number: 5/701,311
Classifications
Current U.S. Class: D10/106
International Classification: D1005;