The ornamental design for a dispensinggun for dispensingflowable product from a pressurized can, as shown and described.
FIG. 1 is a front perspective view of a dispensing gun for dispensing flowable product from a pressurized can showing out new design, shown with a pressurized can attached in broken lines;
FIG. 2 is another front perspective view thereof, shown without the can;
FIG. 3 is a right elevational view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a left elevational view thereof;
FIG. 7 is a rear view thereof; and,
FIG. 8 is a bottom view thereof.
Portions drawn in broken lines are for illustrative purposes only and form no part of the claimed design.