Smoke detector

- Square D Company
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Description

FIG. 1 is a top perspective view of a smoke detector showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D238057 December 1975 Pearsall et al.
D258353 February 24, 1981 Mango et al.
D271287 November 8, 1983 Fienne
D274368 June 19, 1984 Skarman
4306229 December 15, 1981 Tamura et al.
Other references
  • Alarm Supply Co., Inc., 1984 catalogue, p. 147, Smoke Detectors, model 1806 BRK & 1812 BRK.
Patent History
Patent number: D297316
Type: Grant
Filed: Aug 1, 1986
Date of Patent: Aug 23, 1988
Assignee: Square D Company (Palatine, IL)
Inventor: Louis L. Mastro (Milford, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Attorneys: A. Sidney Johnston, Richard T. Guttman, Donald P. Reynolds
Application Number: 6/893,051
Classifications
Current U.S. Class: D10/106; D10/116