FIG. 1 is a perspective view as seen from the top, front and right side of a coffee maker base showing the 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 thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines in the drawing are for illustrative purposes only and form no part of the claimed design.