H04J 11/0023 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H04J 11/0023

Full Title

Orthogonal multiplex systems, (H04J13/00 takes precedence)

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.