The ornamental design for a cabinetdoor having a tread pattern, as shown and described.
FIG. 1 is a perspective view of a first embodiment of a cabinet door having a tread pattern, which is illustrated in an exemplary location of a cabinet housing;
FIG. 2 is a front view of the cabinet door from FIG. 1;
FIG. 3 is a perspective view of a second embodiment of a cabinet door having a tread pattern, which is illustrated in an exemplary location of a cabinet housing;
FIG. 4 is a front view of the cabinet door from FIG. 3;
FIG. 5 is a perspective view of a third embodiment of a cabinet door having a tread pattern, which is illustrated in an exemplary location of a cabinet housing;
FIG. 6 is a front view of the cabinet door from FIG. 5;
FIG. 7 is a perspective view of a fourth embodiment of a cabinet door having a tread pattern, which is illustrated in an exemplary location of a cabinet housing; and,
FIG. 8 is a front view of the cabinet door from FIG. 7.
As shown in FIGS. 5-8, the surface of the cabinet door has a metal color finish, such as stainless steel for example, as represented by the gray or silver color shading. In FIGS. 5-8 the shading is not extended over the tread pattern for clarity, but it is understood that the entire cabinet door can have the metal color finish. The broken line showing of a cabinet housing in the figures is included for illustrative purposes only and form no part of the claimed design.