Air purifier
FIG. S is a left side elevational view thereof;
The dash dot dash lines in
Claims
The ornamental design for an air purifier, as shown and described.
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Type: Grant
Filed: Aug 12, 2020
Date of Patent: Dec 22, 2020
Inventor: Chao Cao (Yiyang)
Primary Examiner: David G Muller
Application Number: 29/746,133