FIG. 1 is a front elevational view of a three dimensional computer generated icon for a computer screen showing our new design;

FIG. 2 is a front elevational view thereof, on an enlarged scale;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a left side elevational view thereof, the right side being a mirror image thereof.

The broken line showing of a computer screen in FIG. 1 is for illustrative purposes only and forms no part of the claimed design. The computer generated icon is shown separately in FIGS. 2 -6 for ease and clarity of illustration;