G04C 13/0463 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G04C 13/0463

Full Title

Driving mechanisms for clocks by primary clocks > Circuit arrangements; Electric clock installations > Primary clocks

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.