Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H01J 19/44

Insulation between electrodes or supports within the vacuum space

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Details of vacuum tubes of the types covered by group > Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies > Insulation between electrodes or supports within the vacuum space

CPC:

Details of vacuum tubes of the types covered by group H01J21/00 > Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies > Insulation between electrodes or supports within the vacuum space

No child classifications to compare. This is a leaf node in both IPC and CPC.