The ornamental design for a plumbingfixture, as shown and described.
FIG. 1 is a left, top, front perspective view of a plumbing fixture in the form of a tank lid according to an embodiment of our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a rear elevational view thereof;
FIG. 8 is a side sectional view taken along line 8-8 of FIG. 5; and,
FIG. 9 is a front sectional view taken along line 9-9 of FIG. 5.
The dash-dash broken lines in the figures are for the purpose of illustrating unclaimed surfaces or environment of the design. The dot-dash-dot broken lines define unclaimed boundaries of the design. The broken lines are thus not part of the claim.