USD680399SActiveUtility

Three stage knife sharpener

79
Assignee: ELEK BELAPriority: Mar 7, 2012Filed: Jul 18, 2012Granted: Apr 23, 2013
Est. expiryMar 7, 2032(~5.6 yrs left)· nominal 20-yr term from priority
Inventors:Bela ElekBjoern BergerDaniel D. Friel, Sr.
79
PatentIndex Score
27
Cited by
40
References
1
Claims

Claims

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

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