The ornamental design for a coneholder, as shown and described.
FIG. 1 is a front, perspective view of a cone holder showing a first embodiment of our new design;
FIG. 2 is a front view thereof, the rear view being a mirror image of the front view;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a top view thereof; and
FIG. 6 is a bottom view thereof.
FIG. 7 is a front, perspective view of a cone holder showing a second embodiment of our new design;
FIG. 8 is a front view thereof, the rear view being identical to the front view;
FIG. 9 is a right side view thereof; the left side view being identical to the right side view; and,
FIG. 10 is a top view thereof.
The features shown in broken lines depict environmental subject matter only and form no part of the claimed design. Bolded, long dash-short dash lines indicate the boundaries of the claimed subject matter and otherwise form no part of the claimed design.