Recessed back portion of a golf club head

FIG. 1 is a perspective view of a recessed back portion of a golf club head showing my new design;

FIG. 2 is an elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a cross-sectional view taken along lines 4--4 in FIG. 2;

FIG. 5 is a cross-sectional view taken along lines 5--5 in FIG. 2;

FIG. 6 is a cross-sectional view taken along lines 6--6 in FIG. 2; and,

FIG. 7 is a cross-sectional view taken along lines 7--7 in FIG. 2.

The broken line showing of a golf club head is for illustrative purposes only and forms no part of the claimed design.