Liquid applicator
FIG. 1 is a top perspective view of a liquid  applicator, showing my new design; 
     FIG. 2 is a bottom perspective view thereof; 
     FIG. 3 is a front elevational view thereof; 
     FIG. 4 is a side elevational view thereof; 
     FIG. 5 is a top plan view thereof; 
     FIG. 6 is a bottom plan view thereof. 
     The broken line disclosure in all views is for  illustrative purposes only and forms no part of the  claimed design.