B43K5/145 - CPC Classification Index

ClassID:

59415 ⎘

B43K5/145 - CPC Classification

Classification description:

Pens with ink reservoirs in holders, e.g. fountain-pens; Ink reservoirs; Exchangeable ink cartridges with valves

Recent Application in this class:

20260116118

PLUG STRUCTURE, LIQUID CARTRIDGE, AND PEN

20230226843

Palm pen

20170182834

DEVICE AND METHOD FOR ENCODING WRITTEN INFORMATION

20160288561

Writing instrument and ink cartridge

20160229218

Writing instrument and ink cartridge

20150044370

Fluid application device and uses thereof