The ornamental design for a beveragemug, as shown and described.
FIG. 1 is a top, front perspective view of a beverage mug showing our new design;
FIG. 2 is a bottom, front perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a left side view thereof;
FIG. 7 is a top view thereof; and,
FIG. 8 is a bottom view.
The features shown in broken lines are portions of the beverage mug forming no part of the claimed design.
In other embodiments that differ from those currently claimed, features currently shown in solid lines may be converted to broken lines or otherwise disclaimed and/or broken line features may be converted to solid lines.