The ornamental design for a storagecase, as shown and described.
FIG. 1 is an isometric view of a storage case showing our new design with a cover positioned in an open position and with a set of valuables positioned on an inner layer.
FIG. 2 is another isometric view thereof with the cover in a closed position and with the set of valuables positioned on the inner layer.
FIG. 3 is a front view thereof
FIG. 4 is a back view thereof.
FIG. 5 is a top view thereof.
FIG. 6 is a bottom view thereof.
FIG. 7 is a left side view thereof.
FIG. 8 is a right side view thereof; and,
FIG. 9 is an exploded view thereof.
The broken lines showing of items in the Figures is included for the purpose of illustrating environmental matter and forms no part of the claimed design. The oblique lines shown in FIGS. 1, 2, 3, and 9 illustrate transparency of the cover. The remaining shade lines in the Figures show contour and do not indicate surface ornamentation or treatment.