Patent
   D376747
Priority
Aug 03 1994
Filed
Aug 03 1994
Issued
Dec 24 1996
Expiry
Dec 24 2010
Assg.orig
Entity
unknown
11
12
n/a
The ornamental design for a door security device, as shown and described.

FIG. 1 is a perspective view showing the front, top and side of a door security device including a strike plate and cable ring according to my new design installed on a door with a handle, the door being in a closed position in a doorway. The door, handle and doorway are shown in phantom and form no part of my new design;

FIG. 2 is a perspecitve view showing the front, top and side of a strike plate as shown in FIG. 1, with a pair of screws for fastening the strike plate to a doorway shown in exploded fashion;

FIG. 3 is a perspective view showing the back, bottom and other side of the strike plate shown in FIG. 2; and,

FIG. 4 is an elevational view of a cable ring of the door security device, the strike plate has been omitted for clarity of illustration.

Jackson, Ronald E.

Patent Priority Assignee Title
10358850, Jun 18 2015 The United States of America as represented by the Secretary of the Air Force Inward swinging door barricade
11549291, May 15 2019 S9 ENGINEERING TECHNOLOGY CORP Auxiliary door brace apparatus
11834875, Jun 18 2015 United States of America as represented by the Secretary of the Air Force Outward swinging door barricade
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D497097, Jul 21 2003 Illinois Tool Works Inc. Locking or sealing device
D540151, Aug 10 2005 Divine Ideas, L.L.C. Bracket for a portable deadbolt lock
D565390, Sep 08 2006 Lightweight wire support
D573008, Sep 08 2006 Heavyweight wire support
D617626, Sep 25 2009 Child-proof lock system
D632158, Mar 31 2010 Cheng Uei Precision Industry Co., Ltd. Ground spring
D846367, Mar 16 2018 Security door strike plate
Patent Priority Assignee Title
3451708,
3640558,
3853343,
4155577, Jun 12 1978 Security device
4474394, Aug 25 1982 Securitron Magnalock Corporation Reinforced assembly of strike plate to door frame
4478442, Jul 24 1981 Safety lock on entrance door
4575140, Feb 28 1983 Door lock method and apparatus
4917422, Nov 24 1987 Portable latch door lock
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765658,
827624,
D351781, Jun 11 1993 Door striker plate
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