The ornamental design for a case for cellularphone, as shown and described.
FIG. 1 is a front, right side, perspective view of a case for cellular phone showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a front, right-side, perspective view thereof shown in a state of use with a cellular phone, depicted in broken lines, enclosed within the case.
The broken lines in FIG. 8 depict a cellular phone that forms no part of the claimed design. All other broken lines throughout the drawing figures depict features of the case that form no part of the claimed design.