DIFF Subgroup
H04W 4/23 for mobile advertising
Introduced: January 2018
Full Title
Full titles differ between systems:
IPC:
Services specially adapted for wireless communication networks; Facilities therefor > Services signalling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel > for mobile advertising
CPC:
Services specially adapted for wireless communication networks; Facilities therefor > Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel > for mobile advertising
No child classifications to compare. This is a leaf node in both IPC and CPC.