F01B 13/063 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

F01B 13/063

Full Title

Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion > with more than one cylinder > in star arrangement

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

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