The ornamental design for a meteringpump, as shown and described.
The file of this patent contains at least one drawing/photograph executed in color. Copies of this patent with color drawing(s)/photograph(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a right view of the invention;
FIG. 2 is a left view of the invention;
FIG. 3 is a bottom view of the invention;
FIG. 4 is a top view of the invention; and,
FIG. 5 is a front view of the invention, a rear view of the invention is omitted because it is a mirror image of the front view.