The ornamental design for a storagecontainer, as shown and described.
FIG. 1 is a perspective view of a storage container illustrating a new design according to an embodiment of the invention; where the storage container is in an assembled configuration;
FIG. 2 is a 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;
FIG. 5 is a right-side view of the storage container illustrating the embodiment of the storage container of FIG. 1;
FIG. 6 is a bottom view of the storage container illustrating the embodiment of the storage container of FIG. 1;
FIG. 7 is another perspective view of the storage container of FIG. 1 illustrating the embodiment of the storage container, where the storage container is partially expanded; and,
FIG. 8 is another perspective view of the storage container of FIG. 1 illustrating the embodiment of the storage container where the storage container is fully expanded.
The broken lines illustrate portions of the storage container and form no part of the claimed design.