FIG. 1 is a top-front-right perspective view of a representative embodiment of a coordinate input instrument according to my new design;
FIG. 2 is a bottom-rear-left perspective view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a right side elevational view thereof, wherein the left side elevational view is a mirror image of the right side elevational view;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a rear elevational view thereof;
FIG. 8 is a partial top-front-right perspective view thereof, as indicated in by the view indicator shown in FIG. 1;
FIG. 9 is a top-front-right perspective view thereof, with a cap removed;
FIG. 10 is a bottom-rear-left perspective view thereof;
FIG. 11 is a bottom plan view thereof;
FIG. 12 is a top plan view thereof;
FIG. 13 is a right side elevational view thereof, wherein the left side elevational view is a mirror image of the right side elevational view;
FIG. 14 is a front elevational view thereof; and,
FIG. 15 is a view indicated by the view indicators shown in FIG. 13.
The dashed broken lines in the drawings show portions of the coordinate input instrument that form no part of the claimed design. The dot-dot-dash broken lines in the drawings indicate from where the enlarged views are taken and form no part of the claimed design.