The ornamental design for a windowvalance, as shown and described.
FIG. 1 is a front, left hand side perspective view of a window valance embodying the principles of my new design;
FIG. 2 is a rear, left hand perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a side view thereof as seen from the left-hand side of FIG. 3; and,
FIG. 8 is a side view thereof as seen from the right-hand side of FIG. 3.
The break lines shown in FIGS. 1-6 symbolize breaks in the length of the article in which the claimed design is embodied. The appearance of any portion of the article between the break lines forms no part of the claimed design.
The dashed lines represent portions of the window valance that form no part of the claimed design.