USD548824SExpiredUtility

Air purifier

74
Individually held — no corporate assignee on recordPriority: Jul 7, 2004Filed: Jul 7, 2004Granted: Aug 14, 2007
Est. expiryJul 7, 2024(expired)· nominal 20-yr term from priority
Inventors:Tristan M. Christianson
74
PatentIndex Score
19
Cited by
3
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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