The ornamental design for a poolskimmerscreen, as shown and described.
FIG. 1 is a front elevational view of the screen;
FIG. 2 is a rear elevational view of the screen;
FIG. 3 is a top view of the screen, the bottom view being a mirror image
thereof; and,
FIG. 4 is a left side elevational view of the screen, the right side
elevational view being a mirror image thereof.
The broken lines showing surface indica on the center of the screen in FIG.
1, are for illustrative purposes only and form no part of the claimed
design.