USD258758SExpiredUtility

Combined air filter and freshener

79
Individually held — no corporate assignee on recordPriority: Jan 15, 1979Filed: Jan 15, 1979Granted: Mar 31, 1981
Est. expiryJan 15, 1999(expired)· nominal 20-yr term from priority
Inventors:Kenneth O. Johnson
79
PatentIndex Score
14
Cited by
18
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined air filter and freshener, substantially as shown and described.

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