Ballpoint pen

FIG. 1 is a perspective view of a first embodiment of a ballpoint pen according to our new design;

FIG. 2 is a front view thereof, the back view thereof being a mirror image;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a perspective view of a second embodiment of a ballpoint pen according to our new design, showing a translucent portion.

The part colored in gray in FIG. 7 is translucent.

The broken lines show portions of the ballpoint pen that form no part of the claimed design.