Spacing members extending to the envelope

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

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 > Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies > Spacing members extending to the envelope

CPC:

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 (details of electron-optical or ion-optical arrangements H01J3/00) > Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies > Spacing members extending to the envelope

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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H01J 1/98 without fixed connection between spacing member and envelope IPC+CPC Available in IPC and CPC