USD252845SExpiredUtility

Coffee filter

72
Individually held — no corporate assignee on recordPriority: Oct 13, 1977Filed: Oct 13, 1977Granted: Sep 11, 1979
Est. expiryOct 13, 1997(expired)· nominal 20-yr term from priority
Inventors:Thomas W. Gavin
72
PatentIndex Score
12
Cited by
7
References
1
Claims

Claims

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

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