The ornamental design for a storagecontainer, as shown and described.
FIG. 1 is a perspective view of a storage container illustrating an embodiment of a new design;
FIG. 2 is front view of the storage container illustrating the embodiment of the storage container of FIG. 1;
FIG. 3 is a rear view of the storage container illustrating the embodiment of the storage container of FIG. 1;
FIG. 4 is a left-side view of the storage container illustrating the embodiment of the storage container of FIG. 1, where the right-side view is a mirror image of the left-side view;
FIG. 5 is a top view of the storage container illustrating the embodiment of the storage container of FIG. 1, where the bottom view is a mirror image of the top view; and
FIG. 6 is a perspective view of the storage container illustrating the embodiment of the storage container of FIG. 1 in a partially open configuration, where the storage container is open and the covers are in a closed position;
FIG. 7 is another perspective view of the storage container illustrating the embodiment of the storage container of FIG. 1 in a fully open configuration, where the storage container is open and the covers are in an open position;
FIG. 8 is another perspective view of the storage container illustrating the embodiment of the storage container of FIG. 1 in a fully open and exploded configuration, where the storage container is open and the covers are in an open position and one divider is removed from the storage container; and,
FIG. 9 is another perspective view of the storage container within an environment.
The broken lines illustrate environment and form no part of the claimed design.