Patent
   D911554
Priority
Nov 01 2019
Filed
Nov 01 2019
Issued
Feb 23 2021
Expiry
Feb 23 2036
Assg.orig
Entity
unknown
0
11
n/a
The ornamental design for a security door grill, as shown and described.

FIG. 1 is a perspective view of a security door grill of our new design, with portions of the door structure and screen illustrated in broken lines to provide environmental structure;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the security door grill that form no part of the claimed design.

Christensen, Chante'

Patent Priority Assignee Title
Patent Priority Assignee Title
3131789,
4484410, Sep 30 1982 Interior Security Corp. Interior security door panel
204314,
D300364, Jan 31 1986 Columbia Manufacturing Corporation Screen door
D490539, Feb 14 2003 Richard, Heasley Security door
D610704, Sep 02 2009 Tiffany lancaster wrought iron
D664674, Nov 03 2010 Security grill closure for sliding glass door
D745190, Mar 26 2014 LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC Security door grill
D848027, Feb 01 2018 Peak Innovations Inc. Fence
FR20110514004,
FR20170816018,
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 01 2019Larson Manufacturing Company of South Dakota, Inc.(assignment on the face of the patent)
Nov 01 2019CHRISTENSEN, CHANTE LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0508900828 pdf
Dec 04 2020LARSON MANUFACTURING COMPANY OF SOUTH DAKOTA, INC Larson Manufacturing Company of South Dakota, LLCENTITY CONVERSION0555820362 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule