Ribbed Case

FIG. 1 is a top, front, left side perspective view of a first embodiment of a ribbed case showing my new design;

FIG. 2 is a top plan view, thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear elevational view, thereof;

FIG. 6 is a front elevational view, thereof;

FIG. 7 is a bottom plan view;

FIG. 8 is a top, front, left side perspective view of a second embodiment of the ribbed case showing my new design;

FIG. 9 is a top plan view, thereof;

FIG. 10 is a left side view, thereof;

FIG. 11 is a right side view, thereof;

FIG. 12 is a rear elevational view, thereof;

FIG. 13 is a front elevational view thereof; and,

FIG. 14 is a bottom plan view.

Portions shown in broken lines in FIGS. 1 - 14 form no part of the claimed designs.