USD838158SActiveUtility

Knife sharpener

54
Assignee: WU SHIH PIAOPriority: Jul 18, 2016Filed: Jul 18, 2016Granted: Jan 15, 2019
Est. expiryJul 18, 2036(~10 yrs left)· nominal 20-yr term from priority
Inventors:Shih-Piao Wu
54
PatentIndex Score
6
Cited by
19
References
1
Claims

Claims

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

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