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US Patent D1021070 Face covering device

Overview Structured Data Issues Contributors Activity

Is a

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Date Filed

August 1, 2023

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Date of Patent

April 2, 2024

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Patent Application Number

29909158

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Patent Citations

US Patent D679378 Face mask

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US Patent D779651 Breathing mask

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US Patent D695888 Face mask for administration of gaseous anesthesia

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US Patent D861857 Breathing apparatus

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US Patent 8146595 Adjustable patient interface for a breathing assistance system

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US Patent D679376 Face mask

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Patent Inventor Names

Zhiqiang Huang

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

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Patent Primary Examiner

Bao-Yen T Nguyen

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CPC Code

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