Breast pump

FIG. 1 is a perspective view of the top, front and right side of a breast pump showing our new design;

FIG. 2 is a perspective view of the bottom, rear and right side thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a right side view thereof; and,

FIG. 9 is a reference view showing usage situation thereof.

The portions of the article in broken lines are shown for illustrative purposes only and form no part of the claimed design.