C02F 3/302 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C02F 3/302

Full Title

Biological treatment of water, waste water, or sewage > Aerobic and anaerobic processes

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.