USD650474SActiveUtility

Air purifier

40
Assignee: HUANG PINGPriority: May 9, 2011Filed: May 9, 2011Granted: Dec 13, 2011
Est. expiryMay 9, 2031(~4.8 yrs left)· nominal 20-yr term from priority
Inventors:Ping Huang
40
PatentIndex Score
4
Cited by
13
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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