The ornamental design for an oven pan, as shown and described.
FIG. 1 is a perspective view of an oven pan, showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left-side view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is an enlarged view of FIG. 1, in which only the claimed portion is shown; and,
FIG. 9 is a perspective view of an oven pan of FIG. 1, in which a gas-range oven in broken lines is provided to illustrate an example environment.
The broken lines are for illustrative purposes only and form no part of the claimed design. The dot-dash lines define unclaimed boundaries and form no part of claimed design. The shade lines in the figures show contour and not surface ornamentation.