Patent
   D302937
Priority
Aug 14 1986
Filed
Aug 14 1986
Issued
Aug 22 1989
Expiry
Aug 22 2003
Assg.orig
Entity
unknown
20
7
n/a
The ornamental design for a security door stop plate, as shown and described.

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.

Briggs, Albert T.

Patent Priority Assignee Title
11199027, Nov 10 2016 Locking device
11268299, Mar 24 2020 Systems and methods for preventing the opening of a door by unauthorized personnel
11725419, Mar 24 2020 Systems and methods for preventing the opening of a door by unauthorized personnel
5088780, Jun 27 1991 Lock-keeper security shield plate
8006527, Nov 16 2009 SECURE-ALL COMPANY, INC Tamper inhibiting device for use with a lock
8407942, Sep 28 2011 Frederick L., Jones Method and apparatus for reinforcing door jambs
D337715, May 15 1992 Rutherford Controls Inc. Mounting plate for electrically operated exit device strike
D348202, Apr 02 1991 Combination door lock and jamb assembly
D352224, Apr 28 1993 M.A.G. Eng. & Mfg. Inc. Door latch guard
D353319, Apr 26 1993 Door lock guard
D548044, Jun 18 2004 Securement apparatus
D639140, Mar 26 2010 Ecolab USA Inc Lock bolt
D697386, Nov 05 2012 Security bracket for an entry door
D703515, Jan 22 2013 WEDGETLS LLC Cover panel for frame based door lock
D745383, Sep 16 2014 Door lock stop device
D777558, Apr 30 2015 Universal strike plate saddle
D846367, Mar 16 2018 Security door strike plate
D897818, Dec 06 2018 I-Tek Metal Mfg. Co., Ltd. Latch coupling device
D941117, Jul 11 2017 Appliance door lock
ER3132,
Patent Priority Assignee Title
3963269, Jul 25 1974 Security device
4152910, Oct 07 1977 C. Cowles & Company Meter box guard lock
4178027, Jul 31 1978 Door lock guard
4345787, Jun 09 1980 Lock guard
4447081, Feb 11 1982 Fence door latch
4629231, Dec 21 1984 Security plate for a door
D261478, Aug 20 1979 Tamper proof striker plate
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