The ornamental design for a portablephone, as shown and described.
FIG. 1 is a perspective view of a portable phone;
FIG. 2 is a front view of the portable phone of FIG. 1;
FIG. 3 is a rear view of the portable phone of FIG. 1;
FIG. 4 is a left-side view of the portable phone of FIG. 1;
FIG. 5 is a right-side view of the portable phone of FIG. 1;
FIG. 6 is a top plan view of the portable phone of FIG. 1;
FIG. 7 is a bottom plan view of the portable phone of FIG. 1;
FIG. 8 is an exploded perspective view of the portable phone of FIG. 1 and an unclaimed clip feature; and,
FIG. 9 is a left-side view of the portable phone of FIG. 1, with a clip attached.
The broken lines depicting the clip feature in FIGS. 8 and 9 are used to indicate environmental structures which form no part of the claimed design. The single broken line extending from the rear of the portable phone to the clip feature in FIG. 8 is intended to set forth the path along which the portable phone is exploded from the clip feature.