Smoke alarm

- Emhart Industries, Inc.
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Description

FIG. 1 is a side elevational view of a smoke alarm showing my new design;

FIG. 2 is a front elevational view thereof.

The rear of the smoke alarm is plain and unornamented.

Referenced Cited
U.S. Patent Documents
D269161 May 31, 1983 Fenne
Foreign Patent Documents
1490273 July 1967 FRX
Other references
  • Modern Plastics, 4/78, p. 101, Smoke Alarm on the page. Pyrotronics, 4/74, p. 16, Ionization Fire Detector, upper portion of page.
Patent History
Patent number: D277836
Type: Grant
Filed: Jan 12, 1983
Date of Patent: Mar 5, 1985
Assignee: Emhart Industries, Inc. (Indianapolis, IN)
Inventor: Kenneth M. Hattori (Bensenville, IL)
Primary Examiner: B. J. Bullock
Assistant Examiner: Suzanne N. Gitlin
Attorney: Robert F. Meyer
Application Number: 6/457,451
Classifications
Current U.S. Class: D10/106