H03H 17/0219 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

H03H 17/0219

Full Title

Networks using digital techniques > Frequency selective networks

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.