Hearing Aid

1.Hearing aid

1 . 1 : Perspective

1 . 2 : Perspective

1 . 3 : Front

1 . 4 : Back

1 . 5 : Left

1 . 6 : Right

1 . 7 : Top

1 . 8 : Bottom

Fig. 1 . 1 is a front, top, and right-side perspective view of an ornamental design for a hearing aid showing our new design; fig. 1 . 2 is a rear, bottom, and left side perspective view thereof; fig. 1 . 3 is a front view thereof; fig. 1 . 4 is a rear view thereof; fig. 1 . 5 is a left-side view thereof; fig. 1 . 6 is a right-side view thereof; fig. 1 . 7 is a top plan view thereof; fig. 1 . 8 is a bottom plan view thereof.

The broken lines in the reproductions show portions of the hearing aid that form no part of the claimed design.