Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10

Introduced: September 1968

Title

Titles differ between systems:

IPC: Chamber shapes or constructions not specific to groups

CPC: Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10

Full titles differ between systems:

IPC:

Engines characterised by precombustion chambers > Chamber shapes or constructions not specific to groups

CPC:

Engines characterised by precombustion chambers > Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10

Of 2 combined children, 1 exist in both systems.

1 codes are CPC-only extensions.

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F02B 19/165 CPC only CPC only
F02B 19/18 Transfer passages between chamber and cylinder IPC+CPC Available in IPC and CPC

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

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