IPC Subgroup
H01J 1/04 Liquid electrodes, e.g. liquid cathode
Introduced: September 1968
Last revised: January 2006
Full Title
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps > Main electrodes > Liquid electrodes, e.g. liquid cathode
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
4 direct subcodes
Child Classifications
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- H01J 1/05 characterised by material
- H01J 1/06 Containers for liquid-pool electrodes; Arrangement or mounting thereof
- H01J 1/08 Positioning or moving the cathode spot on the surface of a liquid-pool cathode
- H01J 1/1 Cooling, heating, circulating, filtering, or controlling level of liquid in a liquid-pool electrode