USD313071SExpiredUtility

Air purifier and ionizer

40
Individually held — no corporate assignee on recordPriority: Feb 11, 1987Filed: Aug 11, 1987Granted: Dec 18, 1990
Est. expiryFeb 11, 2007(expired)· nominal 20-yr term from priority
Inventors:Fernand Scherrer
40
PatentIndex Score
4
Cited by
6
References
1
Claims

Claims

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

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