Smoke detector cover

- Isotec Industries Limited
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Description

FIG. 1 is a perspective view of the smoke detector cover of the present design;

FIG. 2 is a top view of the smoke detector cover;

FIG. 3 is a bottom view of the smoke detector cover;

FIG. 4 is an end elevation of the smoke detector cover;

and;

FIG. 5 is a perspective view of the smoke detector cover with the bottom thereof facing upwardly.

Referenced Cited
U.S. Patent Documents
D213028 December 1968 Walz
2419957 May 1947 Laford
2446217 August 1948 Druffel
Other references
  • Nutone Electrical Products Division Catalog, 12-1979, p. 39, Smoke Detector S-230.
Patent History
Patent number: D271089
Type: Grant
Filed: Feb 17, 1981
Date of Patent: Oct 25, 1983
Assignee: Isotec Industries Limited (Toronto)
Inventor: John Mallory (Mississauga)
Primary Examiner: Susan J. Lucas
Law Firm: Sim & McBurney
Application Number: 6/234,933
Classifications
Current U.S. Class: Element Or Attachment (D10/121); D10/106
International Classification: D1005;