The ornamental design for a beveragecontainer, as shown and described.
FIG. 1 shows a perspective view of a beverage container of the present invention,, wherein the broken lines are included for the purpose of illustrating a portion of the container that forms no part of the claimed design;
FIG. 2 shows a left side view of the beverage container of FIG. 1, wherein the broken lines are included for the purpose of illustrating a portion of the container that forms no part of the claimed design;
FIG. 3 shows a right side view of the beverage container of FIG. 1, wherein the broken lines are included for the purpose of illustrating a portion of the container that forms no part of the claimed design;
FIG. 4 shows a top view of the beverage container of FIG. 1;
FIG. 5 shows a bottom view of the beverage container of FIG. 1, wherein the broken lines are included for the purpose of illustrating a portion of the container that forms no part of the claimed design;
FIG. 6 shows a front view of the beverage container of FIG. 1, wherein the broken lines are included for the purpose of illustrating a portion of the container that forms no part of the claimed design; and,
FIG. 7 shows a back view of the beverage container of FIG. 1, wherein the broken lines are included for the purpose of illustrating a portion of the container that forms no part of the claimed design.