USD402022SExpiredUtility

Air purifier

94
Assignee: HUNTER FAN COPriority: Dec 17, 1997Filed: Dec 17, 1997Granted: Dec 1, 1998
Est. expiryDec 17, 2017(expired)· nominal 20-yr term from priority
Inventors:James D. TermeerJill M. HuntMasao Tsuji
94
PatentIndex Score
50
Cited by
2
References
1
Claims

Claims

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

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