H01J2893/0022 - CPC Classification Index

ClassID:

206830 ⎘

H01J2893/0022 - CPC Classification

Classification description:

Discharge tubes and lamps; Electrodes and electrode systems suitable for discharge tubes or lamps; Constructional arrangements; Chemical composition and manufacture Manufacture

Sub-classes:

H01J2893/0023 » carbonising and other surface treatments 0
H01J2893/0024 » Planar grids 0
H01J2893/0025 » by winding wire upon a support 0

Recent Application in this class:

20250308869

2025-10-02

PHOTOIONIZATION DETECTOR (PID) LAMP ASSEMBLY AND A METHOD TO MANUFACTURE THE PID LAMP ASSEMBLY

20230085306

2023-03-16

Method and system for preparing cathode material

20170358451

2017-12-14

Method for manufacturing an electrical contact on a structure