I claim the ornamental design for a belt cup, as shown and described.
FIG. 1 is a front perspective view of the belt cup;
FIG. 2 is a top view of the belt cup shown in FIG. 1;
FIG. 3 is a bottom view of the belt cup shown in FIG. 1;
FIG. 4 is a right view of the belt cup shown in FIG. 1;
FIG. 5 is a left view of the belt cup shown in FIG. 1;
FIG. 6 is a front view of the belt cup shown in FIG. 1; and,
FIG. 7 is a back view of the belt cup shown in FIG. 1.
Applicant expressly reserves the right to modify FIGS. 1-7 to include, in line drawing format, any one or all of the features shown (i.e., shown in either dashed-lines or solid lines) in FIGS. 1-7.
The subject matter shown in dashed lines, and any surfaces of the design not shown, including interior surfaces, form no part of the claimed invention.