The ornamental design for a paintsprayer, as shown and described.
FIG. 1 is a a perspective view of a paint sprayer showing the new design;
FIG. 2 is a front elevational view thereof,
FIG. 3 is a back side 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 top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines showing paint canisters and a hose in FIGS. 1–7 are included for the purpose of illustrating environment and form no part of the claimed design.