DIFF Subgroup
F42B 4/14 characterised by having plural successively-ignited charges
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes > Aerial display rockets > characterised by having plural successively-ignited charges
CPC:
Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes (signalling by explosives G08B; advertising by fireworks G09F13/46; ) > Aerial display rockets (rockets in general F42B15/00) > characterised by having plural successively-ignited charges
No child classifications to compare. This is a leaf node in both IPC and CPC.