FIG. 1 is a perspective view of the inventive design for a serving fork;

FIG. 2 is a top plan view of the FIG. 1 design;

FIG. 3 is a side elevational view of the FIG. 1 design;

FIG. 4 is an opposite side elevational view of the FIG. 1 design;

FIG. 5 is a bottom plan view of the FIG. 1 design;

FIG. 6 is a front end view of the FIG. 1 design;

FIG. 7 is a rear end view of the FIG. 1 design; and,

FIG. 8 is an enlarged, fragmentary, detailed perspective view of the bottom side of the handle region of the design shown in FIG. 5.