The ornamental design for a nursinguppergarment, as shown and described.
FIG. 1 is a front perspective view of a nursing upper garment, showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof, with the back of the garment shown in broken lines removed for clarity of disclosure;
FIG. 4 is a right-side elevation view thereof, the left-side elevation view is a mirror image thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
The dash-dash broken lines shown in the drawings depict portions of the nursing upper garment that form no part of the claimed design. The alternating length dash-dot-dash broken lines in the drawings depict the boundary of the claimed design and it is understood that the claim extends to the boundary that forms no part of the claimed design.