FIG. 1 illustrates a perspective view of an oven employing an ornamental design in accordance with the present invention;
FIG. 2 is a front view of the oven of FIG. 1;
FIG. 3 is a back view of the oven of FIG. 1;
FIG. 4 is a left side view of the oven of FIG. 1;
FIG. 5 is a right side view of the oven of FIG. 1;
FIG. 6 is a top view of the oven of FIG. 1; and,
FIG. 7 is a bottom view of the oven of FIG. 1.
The broken lines shown in the drawings represent unclaimed portions of the structure and form no part of the claimed design. Furthermore, the interior surfaces that are shown without surface shading form no part of the claimed design.