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The ornamental design for a writing instrument, as shown and described.
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1. Writing instrument
| Patent | Priority | Assignee | Title |
| D861071, | Sep 08 2017 | STAEDTLER SE | Writing implement |
| D861072, | Sep 08 2017 | STAEDTLER SE | Writing implement |
| D898826, | Apr 17 2019 | Writing instrument |
| Patent | Priority | Assignee | Title |
| D489403, | Nov 05 2002 | Lonex Technology Co., Ltd. | Fluorescent marker |
| D580489, | Apr 11 2007 | Beifa Group Co., Ltd. | Dual-tip highlighter |
| D667876, | Oct 14 2010 | Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD | Pen |
| D669124, | Jan 17 2011 | Beifa Group Co., Ltd. | Marker |
| D672815, | Mar 16 2011 | Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD | Mechanical pencil |
| D700657, | Feb 14 2012 | STAEDTLER SE | Writing implement |
| D701267, | Feb 14 2012 | STAEDTLER SE | Writing implement |
| D701268, | Feb 14 2012 | STAEDTLER SE | Writing implement |
| D765782, | Jan 25 2013 | STAEDTLER SE | Pencil with cap and stylus |
| D781958, | Jan 25 2013 | STAEDTLER SE | Cap |
| D828448, | Feb 28 2017 | Fulon Development Limited | Pen |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |