The ornamental design for a breadbun, as shown and described.
The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a top plan view of a bread bun showing my new design;
FIG. 2 is another top plan view thereof;
FIG. 3 is a top, left perspective view thereof;
FIG. 4 is a top, right perspective view thereof, shown in an alternate position;
FIG. 5 is a top, right, rear perspective view thereof, shown in an alternate position;
FIG. 6 is a plan view thereof, shown in an open position;
FIG. 7 is a top, front perspective view of the bottom half of the bread bun of FIG. 1; and,
FIG. 8 is a top, side perspective view of the bottom half of the bread bun.