Intrusion detector unit

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Description

FIG. 1 is a perspective view of an intrusion detector unit showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a side elevational view thereof; and

FIG. 6 is a back elevational view thereof.

Referenced Cited
U.S. Patent Documents
D261740 November 10, 1981 Lederer
D262869 February 2, 1982 Guscott et al.
Other references
  • Mountain West Alarm Supply Co., 1976, Intruder detector, p. 24, in middle lower left side.
Patent History
Patent number: D275658
Type: Grant
Filed: Mar 4, 1982
Date of Patent: Sep 25, 1984
Assignee: Cereberus A.G. (Mannedorf)
Inventors: William G. Kahl, Jr. (Brookfield, CT), Philip H. Mudge (New Fairfield, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Suzanne N. Gitlin
Law Firm: Brumbaugh, Graves, Donohue & Raymond
Application Number: 6/354,594
Classifications
Current U.S. Class: D10/106; With Light Modifier (D26/85)