The ornamental design for a combined umbrella and case, as shown and described.
FIG. 1 is a top and front perspective view of the unfolded umbrella shown without the case for clarity of illustration;
FIG. 2 is a fragmentary perspective view showing a detail of the handle and a portion of the frame of the umbrella shown without the fabric portion of the umbrella for clarity of illustration;
FIG. 3 is a fragmentary front perspective view of the top portion of the combined umbrella and case shown in the folded and assembled condition; and,
FIG. 4 is a fragmentary side perspective view of the combined umbrella and case shown in the folded and assembled condition, the opposite side is a mirror image thereto.