Smoke detector

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Description

FIG. 1 is a front, left side perspective view of a smoke detector showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front perspective view thereof with the hanger in its extended position.

Referenced Cited
U.S. Patent Documents
3924300 February 1958 Rand
3938120 February 10, 1976 O'Connell
Patent History
Patent number: D271949
Type: Grant
Filed: May 29, 1981
Date of Patent: Dec 27, 1983
Inventor: Louis J. DeChristopher (Rancho Mirage, CA)
Primary Examiner: Susan J. Lucas
Law Firm: Fulwider, Patton, Rieber, Lee & Utecht
Application Number: 6/268,581
Classifications
Current U.S. Class: D10/106
International Classification: D1005;