Intrusion detector

Description

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

FIG. 2 is a top plan view thereof, the bottom plan view being substantially a mirror image;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view taken from the left of FIG. 1, the right side elevational view being substantially a mirror image;

FIG. 5 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D240410 July 1976 Fujiwara
3182307 May 1965 Doggart
3383674 May 1968 Soltau et al.
4004228 January 18, 1977 Gullett
Patent History
Patent number: D275657
Type: Grant
Filed: Mar 4, 1982
Date of Patent: Sep 25, 1984
Assignee: Cerberus A.G. (Mannedorf)
Inventor: William G. Kahl, Jr. (Brookfield, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Suzanne N. Gitlin
Law Firm: Brumbaugh, Graves, Donohue & Raymond
Application Number: 6/354,591
Classifications
Current U.S. Class: D10/106