The ornamental design for lipstick case, as shown and described.
FIG. 1 is a perspective view of lipstick case showing my new design;
FIG. 2 is a side elevational view thereof, the side opposite being a mirror
image of the side shown;
FIG. 3 is an elevational view seen from the left side of FIG. 2;
FIG. 4 is an elevational view seen from the right side of FIG. 2; and,
FIG. 5 is an exploded perspective view thereof, the undisclosed sides of
the lipstick and inner tube being unornamented and following the
configuration of the sides shown.