The ornamental design for a topguide for windowbalance, as shown and described.
FIG. 1 is a perspective view of a top guide for window balance, as incorporated into a window balance, showing our new design.
FIG. 2 is a perspective view of the top guide for window balance of FIG. 1.
FIG. 3 is a front elevation view of the top guide for window balance of FIG. 1.
FIG. 4 is a back elevation view of the top guide for window balance of FIG. 1.
FIG. 5 is a right elevation view of the top guide for window balance of FIG. 1.
FIG. 6 is a left elevation view of the top guide for window balance of FIG. 1.
FIG. 7 is a top plan view of the top guide for window balance of FIG. 1; and,
FIG. 8 is a bottom plan view of the top guide for window balance of FIG. 1.
The broken lines illustrate the environment in which the article embodying the top guide for window balance is used and forms no part of the claimed design.