H04B 17/25 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H04B 17/25

Full Title

Monitoring; Testing (of line transmission systems H04B3/46; arrangements for monitoring or testing transmission systems employing electromagnetic waves other than radio waves H04B10/07) > of receivers

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →