Intelligent doorbell
Latest Shenzhen Zhiling Technology Co., Ltd Patents:
Description
The broken lines in the drawings illustrate portions of the intelligent doorbell which form no part of the claimed design.
Claims
The ornamental design for an intelligent doorbell, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D975571
Type: Grant
Filed: Apr 30, 2021
Date of Patent: Jan 17, 2023
Assignee: Shenzhen Zhiling Technology Co., Ltd (Shenzhen)
Inventors: Zhitao Guo (Guangdong), Zhao Yang (Guangdong)
Primary Examiner: George D. Kirschbaum
Assistant Examiner: Lillian Windham
Application Number: 29/781,574
Type: Grant
Filed: Apr 30, 2021
Date of Patent: Jan 17, 2023
Assignee: Shenzhen Zhiling Technology Co., Ltd (Shenzhen)
Inventors: Zhitao Guo (Guangdong), Zhao Yang (Guangdong)
Primary Examiner: George D. Kirschbaum
Assistant Examiner: Lillian Windham
Application Number: 29/781,574
Classifications
Current U.S. Class:
For Use With Entryway, E.g., Door, Gate, Etc. (D10/118.2)