The ornamental design for a barbecuegrill, as shown and described.
FIG. 1 is a perspective view of my new design for a barbecue grill;
FIG. 2 is a front elevational view thereof;
FIG. 3 is an enlarged view of the control panel to show detail;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a top plan view thereof.
The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.