F04B 3/003 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F04B 3/003

Full Title

Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage

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.