USD591412SExpiredUtility

Air purifier

54
Assignee: BLUEAIR ABPriority: Mar 10, 2006Filed: Oct 2, 2008Granted: Apr 28, 2009
Est. expiryMar 10, 2026(expired)· nominal 20-yr term from priority
Inventors:Bengt RittriJohan Wennerström
54
PatentIndex Score
9
Cited by
13
References
1
Claims

Claims

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

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