We claim the ornamental design for an adjustable gate, as shown and described.
FIG. 1 is a left side view of the invention.
FIG. 2 is a front view of the invention.
FIG. 3 is a front view of the invention with the width expanded over that shown in FIG. 2 by means of telescoping cross members.
FIG. 4 is a bottom view of the present invention.
FIG. 5 is a top view of the invention.
FIG. 6 is a perspective view of the invention; and,
FIG. 7 is a front view of the invention with the right vertical member shown positioned lower than the left vertical member to accommodate hilly terrain which is made possible by hinge connection of the cross members to the vertical members.
The right side view is not shown because it is identical to the left side view shown in FIG. 1.