Intrusion detector cover panel

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Description

FIG. 1 is a front elevational view of a intrusion detector cover panel showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front perspective view thereof;

FIG. 4 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D240410 July 1976 Fujiwara
D254197 February 12, 1980 Ewald
3383674 May 1968 Soltau et al.
Patent History
Patent number: D275462
Type: Grant
Filed: Apr 23, 1982
Date of Patent: Sep 11, 1984
Assignee: American District Telegraph Company (New York, NY)
Inventors: Kenneth E. Beeson (Waltham, MA), Hugh D. Dyer (Norton, MA), John K. Guscott (Lynnfield, MA), H. Patrick Thornton (Acton, MA), George Vulgaris (Quincy, MA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Suzanne N. Gitlin
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 6/371,173
Classifications
Current U.S. Class: D10/106