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US Patent D923454 Door lock

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D923454

Patent Inventor Names

Qiang Chen0

Date of Patent

June 29, 2021

Patent Application Number

29728829

Date Filed

March 20, 2020

Patent Citations

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US Patent 10049520 Access system with persistent display

Patent Citations Received

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US Patent 12131603 Scalable systems and methods for monitoring and concierge service

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US Patent D1009592 Smart lock

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US Patent D1024730 Electronic lock

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US Patent D1042087 Cam lock

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US Patent D988109 Door lock keyboard

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US Patent D1003144 Round smart door lock

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US Patent D1009594 Smart electronic lock

Patent Primary Examiner

Doris Clark

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