Air purifier
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Description
The broken lines in the drawings illustrate environmental portions of the air purifier which form no part of the claimed design.
Claims
We claim the ornamental design for an air purifier, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D875228
Type: Grant
Filed: Feb 27, 2018
Date of Patent: Feb 11, 2020
Assignee: Coway Co., Ltd. (Choongchengnam-do)
Inventors: Sul Ki Lee (Seoul), Young Jo Kim (Seoul)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/638,461
Type: Grant
Filed: Feb 27, 2018
Date of Patent: Feb 11, 2020
Assignee: Coway Co., Ltd. (Choongchengnam-do)
Inventors: Sul Ki Lee (Seoul), Young Jo Kim (Seoul)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/638,461
Classifications
Current U.S. Class:
Deodorizer Or Ozonizer (28) (D23/366)