Infra-red intruder detector

- C & K Systems, Inc.
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Description

FIG. 1 is a perspective view of an infra-red intruder detector showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a side elevational view (opposite to the view shown in FIG. 4) thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D181376 November 1957 Smith
D265299 July 6, 1982 Jaretsky
D327657 July 7, 1992 Marcou et al.
D346567 May 3, 1994 Rimon
D346982 May 17, 1994 Greene et al.
Patent History
Patent number: D354925
Type: Grant
Filed: Jan 31, 1994
Date of Patent: Jan 31, 1995
Assignee: C & K Systems, Inc. (Folsom, CA)
Inventors: Frederick W. Eggers (Dixon, CA), David Houston (Sacramento, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Marcus Jackson
Law Firm: Limbach & Limbach
Application Number: 0/18,115
Classifications
Current U.S. Class: D10/106