Portable computer

FIG. 1 is a top view of a portable computer showing our new design;

FIG. 2 is a top view of a second embodiment thereof;

FIG. 3 is a top view of a third embodiment thereof;

FIG. 4 is a top view of a fourth embodiment thereof;

FIG. 5 is a top view of a fifth embodiment thereof; and,

FIG. 6 is a top view of a sixth embodiment thereof.

The portion of the portable computer shown in gray shading in FIGS. 2 , 4 , and 6 represents a metallic surface. The dot-dash broken lines represent an unclaimed border of the claimed design. The dashed broken lines represent environmental subject matter that forms no part of the claimed design.