Class B43K : IMPLEMENTS FOR WRITING OR DRAWING
Subclass 5/03: Pens with ink reservoirs in holders, e.g. fountain-pens (nibs or writing-points with ink reservoirs B43K 1/01; ball-point pens B43K 7/00; pens with writing-points other than nibs or balls B43K 8/00; multiple-point writing implements B43K 27/00) Ink reservoirs specially adapted for concentrated ink, e.g. solid ink
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12030337 | Refillable free ink writing instrument, kit comprising such a writing instrument, and method thereof | Aug 30, 21 | Jul 09, 24 | SOCIÉTÉ BIC |
| 11926171 | Nib for writing felt pen | Sep 28, 20 | Mar 12, 24 | SOCIÉTÉ BIC |
| 11697302 | Nib for writing felt pen | Sep 28, 20 | Jul 11, 23 | SOCIÉTÉ BIC |
| 10029509 | Marking device and method | Jul 13, 16 | Jul 24, 18 | Marxman Limited |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0242,780 | HANDHELD WRITING TOOL HAVING IMPROVED CAP-OFF TIME | Jun 28, 21 | Aug 03, 23 | SOCIÉTÉ BIC |
| 2019/0001,736 | WRITING APPARATUS AND A METHOD OF DISPENSING WRITING FLUID ON A WRITING SURFACE | Aug 11, 17 | Jan 03, 19 | Wipro Limited |
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