USD506538SExpiredUtility

Air purifier

66
Assignee: SHARPER IMAGE CORPPriority: Mar 18, 2004Filed: Mar 18, 2004Granted: Jun 21, 2005
Est. expiryMar 18, 2024(expired)· nominal 20-yr term from priority
Inventors:Tristan M. Christianson
66
PatentIndex Score
13
Cited by
7
References
1
Claims

Claims

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

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