US Patent D922557 Air purifier

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Is a

Patent

Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

D9225570

Patent Inventor Names

Shaojia Guo0

Date of Patent

June 15, 2021

Patent Application Number

297680050

Date Filed

January 27, 2021

Patent Citations

‌

US Patent 10744241 Reduced-pressure device

Patent Citations Received

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US Patent D991395 Filter system housing with display

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US Patent D1045045 Plug-in air purifier

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US Patent D1018776 Filter system housing with display

‌

US Patent D988489 Air purifier

Patent Primary Examiner

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David G Muller

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