H04Q1/22 - CPC Classification Index

ClassID:

231168 ⎘

H04Q1/22 - CPC Classification

Classification description:

Details of selecting apparatus or arrangements; Electrical details; Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles Automatic arrangements

Sub-classes:

H04Q1/24 » for connection devices 19
H04Q1/26 » for signalling trouble in unoccupied sub-exchanges 0

Recent Application in this class:

20200021495

2020-01-16

Universal Rack Architecture Management System

20190008393

2019-01-10

Photoacoustic measurement apparatus