I claim the ornamental design for a nozzle for a surface-treating appliance, as shown and described.
FIG. 1 is a perspective view of a nozzle for a surface-treating appliance showing my new design;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a side view thereof;
FIG. 5 is a side view of the opposite side of FIG. 4;
FIG. 6 is a front view thereof; and,
FIG. 7 is a rear view of a surface-treating appliance having on its front side a nozzle of my new design.
The features of the design as claimed by applicant are shown in bold lines. The features shown in dotted lines are not claimed and are provided to indicate the context of the design.