F27D 2019/0034 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup Additional Only

F27D 2019/0034

Full Title

Arrangements of controlling devices

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.