| 1/00 | Nibs (continuously-adjustable nibs B43K 17/00); Writing- points (for indicating or recording apparatus G01D 15/16) |
| 1/01 | Nibs (continuously-adjustable nibs B43K 17/00); Writing- points (for indicating or recording apparatus G01D 15/16) with ink reservoirs, e.g. funnel-shaped |
| 1/02 | Nibs (continuously-adjustable nibs B43K 17/00); Writing- points (for indicating or recording apparatus G01D 15/16) Split nibs |
| 1/04 | Nibs (continuously-adjustable nibs B43K 17/00); Writing- points (for indicating or recording apparatus G01D 15/16) Split nibs with broadened tips |
| 1/06 | Nibs (continuously-adjustable nibs B43K 17/00); Writing- points (for indicating or recording apparatus G01D 15/16) Tubular writing-points |
| 1/08 | Nibs (continuously-adjustable nibs B43K 17/00); Writing- points (for indicating or recording apparatus G01D 15/16) with ball points; Balls or ball beds |
| 1/10 | Nibs (continuously-adjustable nibs B43K 17/00); Writing- points (for indicating or recording apparatus G01D 15/16) Wire nibs |
| 1/12 | Nibs (continuously-adjustable nibs B43K 17/00); Writing- points (for indicating or recording apparatus G01D 15/16) Writing-points comprising fibres; Felt pads |
| 3/00 | Nib holders (holders for continuously-adjustable nibs B43K 17/00) |
| 3/02 | Nib holders (holders for continuously-adjustable nibs B43K 17/00) with ink guards |
| 3/04 | Nib holders (holders for continuously-adjustable nibs B43K 17/00) with retractable nibs (mechanisms for retracting or locking nibs B43K 24/00) |
| 5/00 | 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) |
| 5/02 | 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 |
| 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 |
| 5/04 | 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 flexible |
| 5/06 | 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 with movable pistons |
| 5/08 | 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 with movable pistons with ink-supplying valves |
| 5/10 | 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 with reserve ink chambers |
| 5/12 | 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 with ink-level inspection means |
| 5/14 | 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 Exchangeable ink cartridges |