US D490649 S1
FIG. 1 is a front perspective view of an external surface configuration for the front panel of a microwave oven, showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevation view thereof;
FIG. 5 is a left side elevation view thereof; and,
FIG. 6 is a right side elevation view thereof.
The details shown in broken lines in FIGS. 1-3, 5 and 6, and the undisclosed rear view form no part of the claimed design.