ClassID:

59426

B43K5/1863 - CPC Classification

Classification description:

Pens with ink reservoirs in holders, e.g. fountain-pens; Arrangements for feeding the ink to the nibs; Mechanical feeding means, e.g. valves; Pumps; Valves automatically closing opened by actuation of the rear-side of the pen

Sub-classes:
Recent Application in this class: