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
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