Sharpener

FIG. 1 is a perspective view of a sharpener showing the new design;

FIG. 2 is a front elevation view of the sharpener of FIG. 1 ;

FIG. 3 is a back elevation view of the sharpener of FIG. 1 ;

FIG. 4 is a right elevation view of the sharpener of FIG. 1 ;

FIG. 5 is a left elevation view of the sharpener of FIG. 1 ;

FIG. 6 is a top plan view of the sharpener of FIG. 1 ; and,

FIG. 7 is a bottom plan view of the sharpener of FIG. 1 .

The dash-dot-dash broken lines in the drawings define boundaries of the claim and form no part thereof. The dash-dash broken lines in the drawings depict portions of the sharpener that form no part of the claimed design.