USD308018SExpiredUtility

Knife sharpener

77
Assignee: FISKARS AB OYPriority: Aug 14, 1987Filed: Feb 12, 1988Granted: May 22, 1990
Est. expiryAug 14, 2007(expired)· nominal 20-yr term from priority
Inventors:Erkki O. LindenTimo Sunila
77
PatentIndex Score
17
Cited by
1
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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