USD643520SActiveUtility

Air purifier

Assignee: WOONGJIN COWAY CO LTDPriority: Aug 26, 2010Filed: Feb 22, 2011Granted: Aug 16, 2011
Est. expiryAug 26, 2030(~4.1 yrs left)· nominal 20-yr term from priority
Inventors:Hun Jung Choi
90
PatentIndex Score
43
Cited by
15
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an air purifier, as shown and described.

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