The ornamental design for a liquiddrainer, as shown and described.
FIG. 1 is a front elevation view of a liquid drainer showing our new design;
FIG. 2 is a rear elevation view thereof;
FIG. 3 is a left side elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a top plan view thereof; and
FIG. 6 is a bottom plan view thereof.
FIG. 7 is a front elevation view of a second embodiment of the liquid drainer shown in FIG. 1;
FIG. 8 is a rear elevation view thereof;
FIG. 9 is a left side elevation view thereof;
FIG. 10 is a right side elevation view thereof;
FIG. 11 is a top plan view thereof; and,
FIG. 12 is a bottom plan view thereof.
The broken line showing of the unshaded central portion in FIGS. 5 and 11 and the small central element in FIGS. 6 and 12 is included for the purpose of illustrating environment and forms no part of the claimed design.