Audible window and door intrusion alarm

Description

FIG. 1 is a front and left side isometric view of an audible window and door intrusion alarm showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof; and

FIG. 4 is a top, front, right side isometric view thereof with the door shown in broken lines for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D236817 September 1975 Sweany
D259255 May 19, 1981 Menzies et al.
D264564 May 25, 1982 Jaretsky
3696380 October 1972 Murphy
3706090 December 1972 Callaghan
4062314 December 13, 1977 Allen
4271338 June 2, 1981 Rakocy
4277781 July 7, 1981 Hunyadi
4292629 September 29, 1981 Kerr et al.
4376276 March 8, 1983 Barta
4381504 April 26, 1983 Bitko
Patent History
Patent number: D305508
Type: Grant
Filed: Jul 15, 1986
Date of Patent: Jan 16, 1990
Inventor: Daniel L. Lothamer (Fort Wayne, IN)
Primary Examiner: Susan J. Lucas
Attorney: W. C. Tupman
Application Number: 6/885,729
Classifications
Current U.S. Class: D10/106