Chalk sharpener

Description

FIG. 1 is a top, front, right side isometric view of the chalk sharpener;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top, front, right side isometric exploded view thereof.

The broken lines indicate features of the chalk sharpener that form no part of the claimed invention.

Claims

The ornamental design for a chalk sharpener substantially as shown and described.