G04C13/0409 - CPC Classification Index

ClassID:

179445 ⎘

G04C13/0409 - CPC Classification

Classification description:

Driving mechanisms for clocks by master-clocks; Circuit arrangements; Electric clock installations; Master-clocks monitoring or controlling master-clock or system with more than one master-clock, e.g. for switching-over to standby motor or power system

Sub-classes:

G04C13/0418 » {by using devices similar to slave-clocks} 0
G04C13/0427 » {Systems in which slave-clocks function as master-clocks for other slave-clocks } 0

Recent Application in this class:

20250284246

2025-09-11

TIMEPIECE, DISPLAY CONTROL METHOD, AND STORAGE MEDIUM

20180004165

2018-01-04

Timepiece comprising a device for switching a mechanism of said timepiece