F03C 1/223 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F03C 1/223

Full Title

Reciprocating-piston liquid engines > with movable cylinders

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.