FIG. 1 is a perspective as view seen from the top, front and left side of a can opener showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines in FIGS. 1, 3, 5, and 6 representing a power cord are used for illustrative purposes only and form no part of the claimed design. The broken lines in FIGS. 1, 2, 3, 5, and 6 representing the lid magnet is used for illustrative purposes only and form no part of the claimed design. The broken lines in FIGS. 1 through 5 representing the depressions in the start button are used for illustrative purposes only and form no part of the claimed design. The broken lines in FIGS. 1, 3, 5, and 6 representing the seam between the front and rear housings of the can opener are used for illustrative purposes only and form no part of the claimed design. The broken lines in FIGS. 1 through 3 representing the cutter assembly release button and the cutter assembly are used for illustrative purposes only and form no part of the claimed design. The broken lines in FIGS. 1, 2, 3, and 5 respresenting the cutter are used for illustrative purposes only and form no part of the claimed design. The broken lines in FIGS. 3, 4, and 5 representing the knife sharpener slot and connecting screw apertures are used for illustrative purposes only and form no part of the claimed design. The broken lines in FIG. 4 representing connecting screws are used for illustrative purposes only and form no part of the claimed design.