Intrusion detector

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Description

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

FIG. 2 is a top plan view thereof;

FIG. 3 is an end view thereof;

FIG. 4 is a side elevational view thereof; and,

FIG. 5 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D205021 June 1966 Cuomo
D226508 March 1973 Gilson
Other references
  • Delta Products Inc., rec'd. May 10, 1973, p. 2, Shoplifting Audible Alarm (left).
Patent History
Patent number: D245677
Type: Grant
Filed: Mar 25, 1976
Date of Patent: Sep 6, 1977
Assignee: Sontrix Division of Pittway Corporation (Boulder, CO)
Inventor: Kenneth R. Hackett (Boulder, CO)
Primary Examiner: Susie J. Mercer
Attorney: Max L. Wymore
Application Number: 5/670,276
Classifications
Current U.S. Class: D10/106
International Classification: D1005;