Ultrasonic humidifier
FIG. 1 is a top, side and front perspective view of an ultrasonic humidifier showing my new design; 
     FIG. 2 is an exploded top, side and rear perspective view thereof; 
     FIG. 3 is a top plan view thereof; 
     FIG. 4 is a bottom plan view thereof; 
     FIG. 5 is a front elevation view thereof; 
     FIG. 6 is a right side elevation view thereof; 
     FIG. 7 is a left side elevation view thereof; 
     FIG. 8 is a rear elevation view thereof. 
     The oblique-line shading on portions of the article is understood to represent translucent material.