Thumb Piano

FIG. 1 is a front, left and bottom perspective view of a thumb piano showing my new design;

FIG. 2 is a rear, right and top perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of area 9 in FIG. 1 ; and,

FIG. 10 is an enlarged view of area 10 in FIG. 5 .

The broken lines in the figures illustrate portions of the thumb piano that form no part of the claimed design.

The dash-dot-dash broken lines show the boundaries of the enlarged views and form no part of the claim thereof.