The ornamental design for a portablestand for computer, as shown and described.
FIG. 1 is the front/right-side/top perspective view of a portable stand for computer showing our new design;
FIG. 2 is the front-side elevational view thereof;
FIG. 3 is the rear-side elevational view thereof;
FIG. 4 is the left-side elevational view thereof;
FIG. 5 is the right-side elevational view thereof;
FIG. 6 is the top-side elevational view thereof;
FIG. 7 is the bottom-side elevational view thereof;
FIG. 8 shows the portable stand for computer in use; and,
FIG. 9 shows the upper part of portable stand for computer in use.
The broken lines in FIG. 3 represent portions of the portable stand for computer that form no bpart of the claimed design. The broken line showing of the computer monitor in FIGS. 8 and 9 illustrate the environment of the claimed design and form no part thereof.