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US Patent D974944 Video doorbell
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Is a
Patent
0
Date Filed
March 22, 2021
0
Date of Patent
January 10, 2023
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Patent Application Number
29775137
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Patent Citations Received
US Patent D1030840 Camera unit
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US Patent D1030841 Camera unit
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US Patent D1025803 Audio/video doorbell and door viewer
0
US Patent D1011945 Doorbell case
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US Patent D1024822 Audio/video doorbell and door viewer
0
US Patent 12081903 Audio/video device with viewer
0
US Patent D1032691 Camera unit
0
Patent Inventor Names
Davy Ying
0
Chao Qin
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Patent Jurisdiction
United States Patent and Trademark Office
0
Patent Number
D974944
0
Patent Primary Examiner
Joseph Kukella
0
CPC Code
G10K 9/00
0
G10K 1/07
0
G10K 1/00
0
G08B 13/1481
0
G08B 13/1463
0
G08B 13/1436
0
G08B 7/06
0
G08B 7/00
0
G08B 3/10
0
G08B 3/00
0
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