USD551329SActiveUtility

Air purifier

75
Assignee: CHENG CHUN-CHENGPriority: Oct 3, 2006Filed: Oct 3, 2006Granted: Sep 18, 2007
Est. expiryOct 3, 2026(~0.2 yrs left)· nominal 20-yr term from priority
Inventors:Chun-Cheng Cheng
75
PatentIndex Score
25
Cited by
13
References
1
Claims

Claims

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

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