USD310620SExpiredUtility

Knife sharpener

96
Individually held — no corporate assignee on recordPriority: Feb 1, 1988Filed: Feb 1, 1988Granted: Sep 18, 1990
Est. expiryFeb 1, 2008(expired)· nominal 20-yr term from priority
Inventors:Daniel D. Friel, Sr.
96
PatentIndex Score
53
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for the knife sharpener, as shown and described.

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