IPC Subgroup
H01J 19/42 Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
Introduced: September 1968
Last revised: January 2006
Full Title
Details of vacuum tubes of the types covered by group > Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC ELEMENTS
- Subclass:
- ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
4 direct subcodes
Child Classifications
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- H01J 19/44 Insulation between electrodes or supports within the vacuum space
- H01J 19/46 Mountings for the electrode assembly as a whole
- H01J 19/48 Mountings for individual electrodes
- H01J 19/5 Spacing members extending to the envelope