USD349566SExpiredUtility

Air purifier

88
Assignee: DURACRAFT CORPPriority: Aug 20, 1993Filed: Aug 20, 1993Granted: Aug 9, 1994
Est. expiryAug 20, 2013(expired)· nominal 20-yr term from priority
Inventors:Richard M. O'Grady
88
PatentIndex Score
29
Cited by
3
References
1
Claims

Claims

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

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