The ornamental design for a packagingbox, as shown and described.
The file of this patent contains at least one drawing executed in color. Copies of this patent with color drawing(s) will be provided by the Patent and Trademark Office upon request and payment of the necessary fee.
FIG. 1 is a front perspective view of a packaging box showing our new design.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a rear elevational view thereof
FIG. 4 is a top plan view thereof.
FIG. 5 is a bottom plan view thereof.
FIG. 6 is a right side elevational view thereof; and,