F24D 11/0257 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F24D 11/0257

Full Title

Central heating systems using heat accumulated in storage masses (self-contained storage heating units F24D15/02) > using heat pumps

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.