F24D 19/0017 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F24D 19/0017

Full Title

Details (of water or air heaters F24H9/00; of heat-exchange or heat-transfer apparatus, of general application F28F)

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.