Patent Publication Number: US-D896388-S

Title: Main unit of hearing aid

Description:
FIG. 1  is a front elevational view of a main unit of hearing aid showing our new design; 
         FIG. 2  is a rear elevational view thereof; 
         FIG. 3  is an enlarged left side view thereof; 
         FIG. 4  is an enlarged right side view thereof; 
         FIG. 5  is a top plan view thereof; 
         FIG. 6  is a bottom plan view thereof; 
         FIG. 7  is a perspective view thereof; 
         FIG. 8  is a perspective view in state of use thereof; and, 
         FIG. 9  is another perspective view in state of use thereof. 
       The broken lines in  FIGS. 8 and 9  represent an environment, and the broken lines in  FIG. 3  depict a portion of the hearing aid that forms no part of the claimed design. The broken lines form no part of the claimed design.