US2007289410A1PendingUtilityA1

Knife sharpening device

Assignee: LIN TSANG-HAIPriority: Jun 20, 2006Filed: Jun 20, 2006Published: Dec 20, 2007
Est. expiryJun 20, 2026(expired)· nominal 20-yr term from priority
Inventors:Tsang-Hai Lin
B24D 15/08
18
PatentIndex Score
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Claims

Abstract

A knife sharpening device is disclosed. The device an elongated body with cornered edge on the surface thereof characterized in that at least one corner of the device is a cornered slot extended axially and the connection between the top end of the two walls of the cornered slot with the circumferential surface forms into a first sharpening edge and a second sharpening edge, and the first and the second sharpening edge are in contact with the edge of a knife.

Claims

exact text as granted — not AI-modified
1 - 4 . (canceled) 
   
   
       5 . A knife sharpening device having an elongated body having a first end and a second end wherein said second end has a converging sloping section, said elongated body having four slots extended axially and connection between a top edge of said slots and circumferential surface of said elongated body forming eight sharpening edges.

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