The ornamental design for an electric barbecuegrill, as shown and described.
FIG. 1 is a front perspective view of an electric barbecue grill showing my new design;
FIG. 2 is a rear perspective view of the electric barbecue grill shown in FIG. 1;
FIG. 3 is a front elevational view of the electric barbecue grill shown in FIG. 1;
FIG. 4 is a rear elevational view of the electric barbecue grill shown in FIG. 1;
FIG. 5 is a right-side elevational view of the electric barbecue grill shown in FIG. 1;
FIG. 6 is a left-side elevational view of the electric barbecue grill shown in FIG. 1; and,
FIG. 7 is a top plan view of the electric barbecue grill shown in FIG. 1.
The broken lines immediately adjacent the claim 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.