Cathode ray tubes; Electron beam tubes (H01J25/00, H01J33/00, H01J35/00, H01J37/00 take precedence; details of cathode ray tubes or of electron beam tubes H01J29/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Cathode-ray tubes; Electron-beam tubes

CPC: Cathode ray tubes; Electron beam tubes (H01J25/00, H01J33/00, H01J35/00, H01J37/00 take precedence; details of cathode ray tubes or of electron beam tubes H01J29/00)

Full Title

Full titles differ between systems:

IPC:

Cathode-ray tubes; Electron-beam tubes

CPC:

Cathode ray tubes; Electron beam tubes (H01J25/00, H01J33/00, H01J35/00, H01J37/00 take precedence; details of cathode ray tubes or of electron beam tubes H01J29/00)

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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H01J 31/02 having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused IPC+CPC Available in IPC and CPC
H01J 31/08 having a screen on or from which an image or pattern is formed, picked up, converted, or stored IPC+CPC Available in IPC and CPC