The ornamental design for an icestoragecontainer, as shown and described.
FIG. 1 is a front perspective view of an ice storage container according to a first embodiment showing my new ornamental design, with an ice bin drawer shown in an open position;
FIG. 2 is a front view thereof, with the ice bin shown in a first position in partial alignment with the ice maker;
FIG. 3 is a front view thereof with the ice bin shown in a second position in partial alignment with the ice maker;
FIG. 4 is a front perspective view of an ice storage container according to a second embodiment showing my new ornamental design, with an ice bin drawer shown in an open position;
FIG. 5 is a front view thereof, with the ice bin shown in a first position in partial alignment with the ice maker;
FIG. 6 is a front view thereof with the ice bin shown in a second position in partial alignment with the ice maker; and,
FIG. 7 is a perspective view, similar to the perspective view of FIG. 4, but with the ice maker cover in a raised position.
The broken line showing on the drawings is included for the purpose of illustrating and forms no part of the claimed design.