Door locking device
The broken-lines shown in the figures depict portions of the door locking device that form no part of the claimed design.
Claims
The ornamental design for a door locking device, as shown and described.
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Type: Grant
Filed: Aug 22, 2018
Date of Patent: Nov 17, 2020
Inventor: David Cotton (Gretna, NE)
Primary Examiner: Steven J Czyz
Application Number: 29/660,713