Electrically-actuated devices for setting the time-indicating means (of secondary clocks G04C13/03)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Electrically-actuated devices for setting the time-indicating means

CPC: Electrically-actuated devices for setting the time-indicating means (of secondary clocks G04C13/03)

Full titles differ between systems:

IPC:

Electrically-actuated devices for setting the time-indicating means

CPC:

Electrically-actuated devices for setting the time-indicating means (of secondary clocks G04C13/03)

Pulse transmission systems with additional means for setting the time indication of secondary clocks

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

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G04C 9/02 CPC only CPC only
G04C 9/04 by blocking the driving means since 1980 IPC+CPC Available in IPC and CPC
G04C 9/06 by decoupling the driving means (combined with blocking means G04C9/04) since 1980 IPC+CPC Available in IPC and CPC
G04C 9/08 by electric drive since 1980 IPC+CPC Available in IPC and CPC

Class G04,2013–2023, worldwide · Source: EPO PATSTAT

Class G04,2013–2023, worldwide · Source: EPO PATSTAT