Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H01J 17/04

Electrodes; Screens

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Gas-filled discharge tubes with solid cathodes > Details > Electrodes; Screens

CPC:

Gas-filled discharge tubes with solid cathode (H01J25/00, H01J27/00, H01J31/00 - H01J41/00 take precedence; gas filled spark gaps H01T; Marx converters H02M7/26) > Details > Electrodes; Screens

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

Navigate with arrow keys, Enter to open

  • H01J 17/10 Anodes IPC+CPC Available in IPC and CPC
  • H01J 17/12 Control electrodes IPC+CPC Available in IPC and CPC