USD306198SExpiredUtility

Ceiling fan filter

56
Individually held — no corporate assignee on recordPriority: Jun 14, 1988Filed: Jun 14, 1988Granted: Feb 20, 1990
Est. expiryJun 14, 2008(expired)· nominal 20-yr term from priority
Inventors:Elmer L. Matherne
56
PatentIndex Score
10
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a ceiling fan filter, as shown and described.

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