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
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