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The ornamental design for a ballpoint pen, as shown and described.
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1. Ballpoint pen
| Patent | Priority | Assignee | Title |
| D873916, | Mar 21 2018 | WORKLIFE BRANDS LLC | Writing instrument |
| D877250, | Dec 07 2017 | Kabushiki Kaisha Pilot Corporation | Ballpoint pen |
| D878463, | Sep 18 2018 | AMSTERDAM PRINTING & LITHO, INC. | Writing instrument |
| D879201, | Aug 24 2018 | BARONFIG INC | Pen |
| D889544, | Aug 17 2018 | NINGBO SYLOON IMPORT AND EXPORT CO., LTD. | Pen |
| D890844, | Jan 17 2019 | Pen | |
| D895728, | Dec 06 2018 | KOTOBUKI & CO , LTD | Ballpoint pen |
| D922486, | Mar 01 2019 | BEIFA GROUP CO , LTD | Pen |
| D930745, | Mar 21 2018 | WORKLIFE BRANDS LLC | Writing instrument |
| ER236, | |||
| ER2540, | |||
| ER2634, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |