The ornamental design for an icebucket, as shown and described.
FIG. 1 is a top perspective view of an ice bucket showing our new design.
FIG. 2 is a bottom perspective view thereof.
FIG. 3 is a front elevation view thereof.
FIG. 4 is a right side elevation view thereof.
FIG. 5 is a rear elevation view thereof.
FIG. 6 is left side elevation view thereof.
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The claimed design is directed solely to the shape and configuration of the ice bucket shown in the figures. Portions or features of the ice bucket not shown in the drawings form no part of the claimed design. The evenly dotted broken lines in the drawings illustrate unclaimed features of the ice bucket and form no part of the claimed design. The dash-dot-dot broken lines in the drawings represent borders of unclaimed portions of the design and form no part of the claimed design.