USD289885SExpiredUtility

Knife sharpener

53
Assignee: BERKLEY INCPriority: Sep 28, 1984Filed: Sep 28, 1984Granted: May 19, 1987
Est. expirySep 28, 2004(expired)· nominal 20-yr term from priority
Inventors:Gary B. Ader
53
PatentIndex Score
5
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a knife sharpener, substantially as shown.

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