F27B 2007/261 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup Additional Only

F27B 2007/261

Full Title

Rotary-drum furnaces, i.e. horizontal or slightly inclined > Details, accessories or equipment specially adapted for rotary-drum furnaces > Drives

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

Note: 5 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.