Air purifier
The broken lines in the figures illustrate portions of the article that form no part of the claimed design. 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: 29/746,282