H01J19/82 - CPC Classification Index

ClassID:

204835 ⎘

H01J19/82 - CPC Classification

Classification description:

Details of vacuum tubes of the types covered by group Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for

Recent Application in this class:

20190252146

2019-08-15

Planar field emission transistor

20170148605

2017-05-25

Electron emitter source

20160349109

2016-12-01

Flame detecting system

20160148776

2016-05-26

Field emission device with ground electrode

20150187531

2015-07-02

High voltage high current vacuum integrated circuit

20120081097

2012-04-05

High voltage high current regulator