DIFF Subgroup
F02D 19/02 peculiar to engines working with gaseous fuels
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures > peculiar to engines working with gaseous fuels
CPC:
Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures (the non-fuel substances being gaseous F02D21/00) > peculiar to engines working with gaseous fuels
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open