Molded surface of a concrete product

FIG. 1 is a lower, right perspective view of a molded surface of a concrete product according to our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is right side elevation view thereof; and,

FIG. 6 is a left side elevation view thereof.

The broken line showing of structural environment is for illustrative purposes only and forms no part of the claimed design.