Intrusion alarm for doors

Description

FIG. 1 is a front elevational view of the intrusion alarm for doors showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D305508 January 16, 1990 Lothamer
D307875 May 15, 1990 Mallory
4553134 November 12, 1985 Holt
4758824 July 19, 1988 Young
4929926 May 29, 1990 Porat
Patent History
Patent number: D330866
Type: Grant
Filed: Oct 4, 1990
Date of Patent: Nov 10, 1992
Inventor: Doyle D. Fuller (Wichita Falls, TX)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Attorney: Leon Gilden
Application Number: 7/592,865
Classifications
Current U.S. Class: D10/106