The ornamental design for a cookingappliance with grillgrate assembly, as shown and described.
FIG. 1 is a front perspective view of cooking appliance with grill grate assembly showing the new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a front elevation view thereof;
FIG. 7 is a back elevation view thereof; and,
FIG. 8 is a front perspective view of the grill grate shown inserted into the cooking appliance.
The broken line in the drawings depict portions of the cooking appliance with grill grate assembly that form no part of the claimed design. The broken line showing of the cooking appliance in FIG. 8 depicts environment and forms no part of the claimed design.
The dash-dot broken lines represent the bounds of the claimed design and form no part thereof.