Advancing or retarding ignition; Control therefor

Introduced: September 1968

Title

Titles differ between systems:

IPC: Advancing or retarding electric ignition spark; Control therefor

CPC: Advancing or retarding ignition; Control therefor

Full titles differ between systems:

IPC:

Advancing or retarding electric ignition spark; Control therefor

CPC:

Advancing or retarding ignition; Control therefor

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

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F02P 5/005 CPC only CPC only
F02P 5/02 non-automatically; dependent on position of personal controls of engine, e.g. throttle position IPC+CPC Available in IPC and CPC
F02P 5/04 automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions (dependent on position of personal controls of engine F02P5/02) +1 CPC IPC+CPC Available in IPC and CPC
F02P 5/16 characterised by the mechanical transmission between sensing elements or personal controls and final actuating elements IPC+CPC Available in IPC and CPC

Class F02,2013–2023, worldwide · Source: EPO PATSTAT

Class F02,2013–2023, worldwide · Source: EPO PATSTAT