The ornamental design for a storagecontainer, as shown and described herein.
FIG. 1 is a front perspective view of a storage container shown in a closed position.
FIG. 2 is a front view of the storage container of FIG. 1.
FIG. 3 is a rear view of the storage container of FIG. 1.
FIG. 4 is a right side view of the storage container of FIG. 1.
FIG. 5 is a left side view of the storage container of FIG. 1.
FIG. 6 is a top view of the storage container of FIG. 1.
FIG. 7 is a bottom view of the storage container of FIG. 1; and,
FIG. 8 is a front perspective view of the storage container of FIG. 1 shown in an open position.
The storage container is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.