DIFF Subgroup
F02K 9/22 of the front-burning type
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > using solid propellants > Shape or structure of solid propellant charges > of the front-burning type
CPC:
Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > using solid propellants (F02K9/72 takes precedence; using semi-solid or pulverulent propellants F02K9/70) > Shape or structure of solid propellant charges > of the front-burning type
No child classifications to compare. This is a leaf node in both IPC and CPC.