Security door stop plate

Description

The FIGURE is a perspective view of a security door stop plate showing my new design, the partially broken line showing of a door jam and hardware being for illustrative purposes only and forming no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D261478 October 27, 1981 Gauntt
3963269 June 15, 1976 Rosenberg
4152910 May 8, 1979 Swisher
4178027 December 11, 1979 Charron
4345787 August 24, 1982 Dabrowski
4447081 May 8, 1984 Stottlemyre
4629231 December 16, 1986 Bouchard
Patent History
Patent number: D302937
Type: Grant
Filed: Aug 14, 1986
Date of Patent: Aug 22, 1989
Inventor: Albert T. Briggs (Tarentum, PA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: Clifford A. Poff
Application Number: 6/896,243
Classifications
Current U.S. Class: D/8344; D/8343