H04Q3/04 - CPC Classification Index

ClassID:

231222 ⎘

H04Q3/04 - CPC Classification

Classification description:

Selecting arrangements Circuit arrangements for receivers of routing digits

Sub-classes:

H04Q3/06 » for group or trunk group selectors 7
H04Q3/08 » for local or long-distance selectors 1
H04Q3/10 » for PBX selectors, i.e. private branch exchange selectors 1
H04Q3/12 » for line selectors providing transfer of routing digits 0
H04Q3/14 » for two-way operation selectors 0
H04Q3/16 » for marking-switches 0

Recent Application in this class:

20260057006

APPARATUS AND METHOD FOR PROVIDING TELECOMMUNICATION ROUTING DATA

20240378231

APPARATUS AND METHOD FOR PROVIDING TELECOMMUNICATION ROUTING DATA

20110222680

SYSTEM AND METHOD FOR ROUTING TELEPHONE CONNECTIONS USING SHORT CODE DIALING

20050232169

System and method for providing telecommunication relay services