DIFF Subgroup
F02P 5/02 non-automatically; dependent on position of personal controls of engine, e.g. throttle position
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Advancing or retarding electric ignition spark; Control therefor > non-automatically; dependent on position of personal controls of engine, e.g. throttle position
CPC:
Advancing or retarding ignition; Control therefor > non-automatically; dependent on position of personal controls of engine, e.g. throttle position
No child classifications to compare. This is a leaf node in both IPC and CPC.