USD323450SExpiredUtility

Knive sharpener

90
Assignee: SHIMIZU KIYOSHIPriority: Sep 16, 1988Filed: Mar 14, 1989Granted: Jan 28, 1992
Est. expirySep 16, 2008(expired)· nominal 20-yr term from priority
Inventors:Kiyoshi Shimizu
90
PatentIndex Score
32
Cited by
5
References
1
Claims

Claims

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

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