Smart door lock
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Description
1. Smart door lock
Reproduction
Claims
The ornamental design for a smart door lock, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D909850
Type: Grant
Filed: Feb 3, 2019
Date of Patent: Feb 9, 2021
Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD. (Beijing)
Inventors: Sian Lin (Beijing), Ningning Li (Beijing), Jia Chen (Beijing), Jianning Tang (Beijing)
Primary Examiner: Nathaniel D. Buckner
Application Number: 35/507,627
Type: Grant
Filed: Feb 3, 2019
Date of Patent: Feb 9, 2021
Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD. (Beijing)
Inventors: Sian Lin (Beijing), Ningning Li (Beijing), Jia Chen (Beijing), Jianning Tang (Beijing)
Primary Examiner: Nathaniel D. Buckner
Application Number: 35/507,627
Classifications
Current U.S. Class:
D8/331