Breast pump

[0001] FIG. 1 is a front perspective view of breast pump, showing my new design;

[0002] FIG. 2 is a front view thereof;

[0003] FIG. 3 is a rear view thereof;

[0004] FIG. 4 is a left side view thereof;

[0005] FIG. 5 is a right side view thereof;

[0006] FIG. 6 is a top view thereof;

[0007] FIG. 7 is a bottom view thereof;

[0008] FIG. 8 is a split state view thereof; and,

[0009] FIG. 9 is a composite state view thereof.

[0010] The broken lines in the drawings illustrate the portions of the breast pump that form no part of the claimed design.