USD551328SExpiredUtility

Air purifier

61
Assignee: SYLMARK HOLDINGS LTDPriority: Apr 18, 2006Filed: Apr 18, 2006Granted: Sep 18, 2007
Est. expiryApr 18, 2026(expired)· nominal 20-yr term from priority
Inventors:Shengwen LengGuangsheng Liu
61
PatentIndex Score
14
Cited by
13
References
1
Claims

Claims

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

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