The ornamental design for a pizzaoven, as shown and described.
FIG. 1 is a top perspective view of a pizza oven showing our new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front end elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a left side elevational view thereof;
FIG. 8 is a right side elevational view thereof; and,
FIG. 9 is a top perspective view thereof showing the front access door of the pizza oven slid to an open position.
The evenly-spaced broken lines shown in the drawings illustrate portions of the pizza oven. The dash-dot broken lines indicate the boundaries of the claim. The broken lines form no part of the claim.