Winding mechanical clocks electrically

Introduced: September 1968

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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G04C 1/003 CPC only CPC only
G04C 1/006 CPC only CPC only
G04C 1/02 by electromagnets +3 CPC IPC+CPC Available in IPC and CPC
G04C 1/04 by electric motors with rotating or with reciprocating movement IPC+CPC Available in IPC and CPC
G04C 1/10 Protection against overwinding IPC+CPC Available in IPC and CPC