Air purifier
Description
The broken lines showing portions of the air purifier form no part of the claimed design.
Claims
The ornamental design for a air purifier, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D844764
Type: Grant
Filed: Aug 2, 2017
Date of Patent: Apr 2, 2019
Assignee: Dongdao Creative Branding Group Co., Ltd. (Beijing)
Inventor: Jianjun Xie (Beijing)
Primary Examiner: David G Muller
Application Number: 29/612,589
Type: Grant
Filed: Aug 2, 2017
Date of Patent: Apr 2, 2019
Assignee: Dongdao Creative Branding Group Co., Ltd. (Beijing)
Inventor: Jianjun Xie (Beijing)
Primary Examiner: David G Muller
Application Number: 29/612,589
Classifications
Current U.S. Class:
Air Cleaner (D23/364)