The ornamental design for “window bracket,” as shown and described.
FIG. 1 is an exploded perspective view of a window bracket showing my new design.
FIG. 2 is a left side view of the window bracket of FIG. 1 shown assembled.
FIG. 3 is a right side view thereof.
FIG. 4 is a front view thereof.
FIG. 5 is a back view thereof.
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
In the drawings, the broken line showing of a window depicts environmental subject matter and forms no part of the claim. The lines in FIG. 1 showing the orientation of the bolt and screw to the bracket pieces indicate projection lines and form no part of the claim.