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The ornamental design for a ballpoint pen, as shown and described.
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FIG. 1 is a perspective view of a ballpoint pen showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a front view thereof with the writing tip in an extended position in a state of use; and,
FIG. 8 is a bottom view thereof with the writing tip in an extended position in a state of use.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 14 2005 | SHIBATA, TOMOAKI | Pentel Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016445 | /0042 | |
Apr 01 2005 | Pentel Kabushiki Kaisha | (assignment on the face of the patent) | / |
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