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US Patent D940972 Floor cleaning machine

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D940972

Patent Inventor Names

Cunzhu Pei0

Date of Patent

January 11, 2022

Patent Application Number

29720989

Date Filed

January 16, 2020

Patent Citations Received

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US Patent D1024466 Surface cleaning device

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US Patent D1030165 Surface cleaning device

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US Patent D1032119 Base

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US Patent D1032118 Surface cleaning device

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US Patent D1033774 Cleaner

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US Patent D1032973 Base

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US Patent D1032128 Base

Patent Primary Examiner

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Dana K Weiland

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