The ornamental design for a controlpanel for a microwave oven, substantially as shown and described.
FIG. 1 is a front perspective view of a control panel for a microwave oven
showing my new design, the microwave oven is shown in broken lines for
illustrative purposes only and forms no part of the claimed design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof, the bottom view being identical; and,
FIG. 4 is a right side elevational view thereof, the left side being
identical.
The indicia on the front of the panel in FIG. 1 has been removed for ease
of illustration only.