Smoke detector

- Gateway Scientific, Inc.
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Description

FIG. 1 is a right-side perspective view of a smoke detector showing my new design;

FIG. 2 is a left-side elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a top plan view; and

FIG. 6 is a sectional view taken along any one of the lines 6--6 in FIG. 4.

Referenced Cited
U.S. Patent Documents
D213027 December 1968 Walz
D242133 November 1976 Fitzsimonds
D256897 September 16, 1980 Arima et al.
D258577 March 17, 1981 Bottner
D271089 October 25, 1983 Mallory
4092641 May 30, 1978 Billinghausen
Other references
  • Electronic Design, Oct. 25, 1977, p. 24, Smoke detector, in middle of page.
Patent History
Patent number: D276029
Type: Grant
Filed: Jan 25, 1982
Date of Patent: Oct 23, 1984
Assignee: Gateway Scientific, Inc. (Costa Mesa, CA)
Inventor: John S. Skarman (Newport Beach, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Suzanne N. Gitlin
Law Firm: Spensley, Horn, Jubas & Lubitz
Application Number: 6/342,096
Classifications
Current U.S. Class: D10/106