The ornamental design for a cover for a casementwindow handle, as shown and described.
FIG. 1 is a perspective view of a cover for a casement window handle showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a perspective view therefore, showing the article in use.
The broken lines, which define the bounds of the claimed design, form no part thereof. Other broken lines are for illustrative purpose only and form no part of the claimed design. The bottom of the design disclaimed.