G04B 21/14 Winding-up the striking mechanism by the clockwork; winding up the clockwork by the striking mechanism
Introduced: September 1968
Title
Titles differ between systems:
IPC: Winding-up the striking mechanism by the clockwork; Winding-up the clockwork by the striking mechanism
CPC: Winding-up the striking mechanism by the clockwork; winding up the clockwork by the striking mechanism
Full Title
Full titles differ between systems:
Indicating the time by acoustic means > Regular striking mechanisms giving the full hour, half hour, or quarter hour > Winding-up the striking mechanism by the clockwork; Winding-up the clockwork by the striking mechanism
Indicating the time by acoustic means (at preselected times G04B23/00; by electro-acoustic means G04C21/04; ) > Regular striking mechanisms giving the full hour, half hour or quarter hour > Winding-up the striking mechanism by the clockwork; winding up the clockwork by the striking mechanism
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
Class G04,2013–2023, worldwide · Source: EPO PATSTAT
- THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 1,570
- ETA SA MANUFACTURE HORLOGERE SUISSE CH 1,409
- CASIO COMPUTER COMPANY 1,172
- SEIKO EPSON CORPORATION 1,100
- SAMSUNG ELECTRONICS COMPANY KR 768
- NIVAROX-FAR CH 750
- MONTRES BREGUET CH 707
- APPLE US 706
- SEIKO EPSON CORPORATION JP 648
- CITIZEN WATCH COMPANY 578
Top Applicants (CPC)
Class G04,2013–2023, worldwide · Source: EPO PATSTAT
- THE SWATCH GROUP RESEARCH AND DEVELOPMENT CH 1,705
- ETA SA MANUFACTURE HORLOGERE SUISSE CH 1,443
- SAMSUNG ELECTRONICS COMPANY KR 1,104
- APPLE US 1,038
- SEIKO EPSON CORPORATION 875
- NIVAROX-FAR CH 781
- CASIO COMPUTER COMPANY 734
- MONTRES BREGUET CH 715
- SEIKO EPSON CORPORATION JP 715
- OMEGA CH 555