DIFF Subgroup
F02P 21/04 Burning-cartridges or like inserts being arranged in engine working chambers (as starting aid F02N19/02)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Burning-cartridges or like inserts being arranged in engine working chambers
CPC: Burning-cartridges or like inserts being arranged in engine working chambers (as starting aid F02N19/02)
Full Title
Full titles differ between systems:
IPC:
Direct use of flames or burners for ignition > Burning-cartridges or like inserts being arranged in engine working chambers
CPC:
Direct use of flames or burners for ignition > Burning-cartridges or like inserts being arranged in engine working chambers (as starting aid F02N19/02)
No child classifications to compare. This is a leaf node in both IPC and CPC.