Portable Refrigerator

FIG. 1 is a perspective view of a portable refrigerator showing my 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;

FIG. 8 is a perspective view thereof, showing the cup holder cover in an open position;

FIG. 9 is a perspective view thereof, shown in a small-size in-use condition; and,

FIG. 10 is a perspective view thereof, shown in a medium-size in-use condition.

The portable refrigerator is shown with a symbolic break in its length. The appearance of any portion of the portable refrigerator between the break lines forms no part of the claimed design. The broken lines depict portions of the portable refrigerator that form no part of the claimed design.