The ornamental design for a cutpotatoproduct, as shown and described.
FIG. 1 is a front perspective view of a cut potato product;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a rear elevation view thereof;
FIG. 7 is a left side elevation view thereof; and,
FIG. 8 is a right side elevation view thereof.
Portions of FIGS. 1 through 8 are shown in evenly spaced broken lines and dash-dot-dash boundary lines illustrating portions of the article that form no part of the claimed design.