The ornamental design for a plumbingfixture, as shown and described.
In a preferred embodiment, the nature of this product is as a plumbing fixture in the form of a water closet, a tank for a water closet and a base for a water closet.
FIG. 1 is a left, top, front perspective view of a plumbing fixture embodying our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a rear elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken line representations in the figures are for the purpose of illustration only, and form no part of the claimed design.