Door lock
Description
The broken lines in the drawings depict portions of the door lock that form no part of the claimed design.
Claims
The ornamental design for a door lock, as shown and described.
Referenced Cited
Patent History
Patent number: D938799
Type: Grant
Filed: Apr 23, 2020
Date of Patent: Dec 21, 2021
Assignee: ZHONGSHAN SMARTEK SECURITY TECHNOLOGY CO., LTD. (Zhongshan)
Inventor: Chaoyi Wei (Yizhou)
Primary Examiner: Doris Clark
Application Number: 29/732,404
Type: Grant
Filed: Apr 23, 2020
Date of Patent: Dec 21, 2021
Assignee: ZHONGSHAN SMARTEK SECURITY TECHNOLOGY CO., LTD. (Zhongshan)
Inventor: Chaoyi Wei (Yizhou)
Primary Examiner: Doris Clark
Application Number: 29/732,404
Classifications
Current U.S. Class:
D8/331