The ornamental design for an icecreamcontainerholder, as shown.
FIG. 1 is a top view of an ice cream container holder.
FIG. 2 is a front view thereof.
FIG. 3 is a top, front perspective view thereof.
FIG. 4 is a bottom, front perspective view thereof.
FIG. 5 is a partial enlarged view thereof according to the broken line boundary indicated by “5” in FIG. 3.
FIG. 6 is a partial enlarged view thereof according to the broken line boundary indicated by “6” in FIG. 4.
FIG. 7 is a top, front perspective view thereof shown in an environmental state; and,
FIG. 8 is a top, front perspective view thereof shown in a second environmental state.
The broken lines shown in FIGS. 7 and 8 represent unclaimed subject matter and form no part of the claimed design.
The broken lines shown in FIGS. 3-6 represent boundaries around portions of the claim that have been enlarged for clarity and form no part of the claimed design.