Intrusion detector

- Cerberus AG
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Description

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

FIG. 2 is a top view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D275657 September 25, 1984 Kahl, Jr.
D277652 February 19, 1985 Kahl, Jr. et al.
4250498 February 10, 1981 Walter
4275303 June 23, 1981 Mudge
4447726 May 8, 1984 Mudge et al.
4484075 November 20, 1984 Kahl, Jr. et al.
Other references
  • Prior Case Design.
Patent History
Patent number: D292892
Type: Grant
Filed: Jan 15, 1985
Date of Patent: Nov 24, 1987
Assignee: Cerberus AG (Mannedorf)
Inventors: Benjamin T. Ronn (Roxbury, CT), Ronald G. Avery (Bethel, CT), Richard M. O'Grady (Meriden, CT)
Primary Examiner: Catherine E. Kemper
Law Firm: Brumbaugh, Graves, Donohue & Raymond
Application Number: 6/691,652
Classifications
Current U.S. Class: D10/106