DIFF Subgroup
F23Q 7/04 with fans for transfer of heat to fuel
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Incandescent ignition; Ignition using electrically-produced heat, e.g. lighters for cigarettes; Electrically-heated glowing plugs > for igniting solid fuel > with fans for transfer of heat to fuel
CPC:
Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes (circuits therefor H01T15/00); Electrically-heated glowing plugs > for igniting solid fuel > with fans for transfer of heat to fuel
No child classifications to compare. This is a leaf node in both IPC and CPC.