USD565162SExpiredUtility

Air purifier

88
Assignee: 3M INNOVATIVE PROPERTIES COPriority: Mar 15, 2006Filed: Mar 15, 2006Granted: Mar 25, 2008
Est. expiryMar 15, 2026(expired)· nominal 20-yr term from priority
Inventors:Casey L. Carlson
88
PatentIndex Score
38
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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