DIFF Subgroup
G04B 15/06 Free escapements
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Escapements > Free escapements
CPC:
Escapements ( electric or magnetic means for converting oscillatory to rotary motion in electromechanical time-pieces ) > Free escapements
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
Navigate with arrow keys, Enter to open