DIFF Subgroup
H04W 4/21 for social networking applications
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 social networking applications
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 social networking applications
No child classifications to compare. This is a leaf node in both IPC and CPC.