Heat sink structure

Description

FIG. 1 is a perspective view of heat sink structure showing the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a view showing the status of use thereof.

The broken lines depict portions of the heat sink structure and form no part of the claimed design.

Claims

The ornamental design for a heat sink structure, as shown and described.