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The ornamental design for a ballpoint pen, as shown and described.
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FIG. 1 is a front perspective view of a ballpoint pen showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a left side elevational view thereof; the right side elevational view being a mirror image of the left side;
FIG. 4 is a rear view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front perspective view thereof in open position; and,
FIG. 8 is a rear perspective view thereof in open position.
Patent | Priority | Assignee | Title |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 01 2004 | NISHIDA, TSUYOSHI | MITSUBISHI PENCIL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015893 | 0267 | |
Oct 13 2004 | Mitsubishi Pencil Co., Ltd. | (assignment on the face of the patent) |
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