Knife sharpener

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Description

FIG. 1 is a front and bottom perspective view of a knife sharpener, showing my new design;

FIG. 2 is a rear and top perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view thereof, showing a handle of the knife sharpener in an unfolded position.

The broken lines in the figures illustrate portions of the knife sharpener that form no part of the claimed design.

Claims

The ornamental design for a knife sharpener, as shown and described.

Referenced Cited
U.S. Patent Documents
D315663 March 26, 1991 Dolbosco
D587551 March 3, 2009 Friel, Sr.
D603679 November 10, 2009 Smith
D604134 November 17, 2009 Smith
D604135 November 17, 2009 Smith
D626397 November 2, 2010 Smith
D629273 December 21, 2010 Friel, Sr.
D640116 June 21, 2011 Smith
D666886 September 11, 2012 Rieser
D673833 January 8, 2013 Kay
D680847 April 30, 2013 Smith
D699534 February 18, 2014 Elek et al.
D736587 August 18, 2015 Cavanaugh
9649749 May 16, 2017 Weiner
D817738 May 15, 2018 Chen
D884450 May 19, 2020 Zemel
20160207171 July 21, 2016 Weiner
Patent History
Patent number: D898538
Type: Grant
Filed: Feb 28, 2020
Date of Patent: Oct 13, 2020
Inventor: Huazhu Liu (Shandong Province)
Primary Examiner: Philip S Hyder
Application Number: 29/725,942
Classifications
Current U.S. Class: D8/93