The ornamental design for contrasting panel portions of an evaporativecooler, as shown and described.
FIG. 1 is a front elevational view of contrasting panel portions of an evaporative cooler showing my new design;
FIG. 2 is a right side elevational view thereof, the left side being a mirror image of that shown;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a top, front, and right side perspective view thereof.
The broken-line disclosure of the remainder of the evaporative cooler in the views is shown for illustrative purposes only and forms no part of the claimed design. The broken-line between the unclaimed area and the claimed area of the disclosure is intended to represent an unclaimed boundary. The characteristic feature of the claimed design resides in the contrast between the panel portions of the evaporative cooler, and the stippling and lined surface shading shown on the surfaces which constitute the claimed design, in accordance with MPEP section 1503.02, are intended to represent only contrast and not any specific color, color combination, or material.