Air purifier
Description
In
Claims
The ornamental design for an air purifier, as shown and described.
Referenced Cited
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Patent History
Patent number: D938565
Type: Grant
Filed: Feb 20, 2020
Date of Patent: Dec 14, 2021
Inventors: Lin Yang (Shenzhen), Hai Yang (Shenzhen)
Primary Examiner: David G Muller
Application Number: 29/724,985
Type: Grant
Filed: Feb 20, 2020
Date of Patent: Dec 14, 2021
Inventors: Lin Yang (Shenzhen), Hai Yang (Shenzhen)
Primary Examiner: David G Muller
Application Number: 29/724,985
Classifications
Current U.S. Class:
Air Cleaner (D23/364)