DIFF Subgroup
G07C 1/24 Race time-recorders
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Registering, indicating, or recording the time of events or elapsed time, e.g. time-recorders for work people > in connection with sports or games > Race time-recorders
CPC:
Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people (registering or indicating the working of machines or vehicles G07C3/00, G07C5/00) > in connection with sports or games > Race time-recorders
No child classifications to compare. This is a leaf node in both IPC and CPC.