Keyboard

FIG. 1 is a perspective view of a keyboard, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a top perspective view of an alternate configuration of a keyboard, showing my new design;

FIG. 9 is a bottom perspective view thereof;

FIG. 10 is a front elevational view thereof;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a right side elevational view thereof;

FIG. 13 is a left side elevational view thereof;

FIG. 14 is a top plan view thereof; and,

FIG. 15 is a bottom plan view thereof.

The evenly spaced broken lines depict portions of the keyboard that form no part of the claimed design. The dashed-dot broken lines depict boundaries of the claimed design and form no part thereof.