The ornamental design for a liquidapplicator, as shown and described.
FIG. 1 is a perspective view of the new design for a liquid applicator;
FIG. 2 is a right side view thereof, the left side view being a mirror image thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken lines shown in FIGS. 1-6 illustrate portions of the liquid applicator that form no part of the claimed design. The dash dot lines shown in FIGS. 1-6 illustrate a boundary line that forms no part of the claimed design. In addition, the surface shading illustrated in the drawings is provided to merely highlight the contour of the design; it is not intended to be illustrative of texture or gloss.