DIFF Subgroup
F23Q 2/28 Lighters characterised by electrical ignition of the fuel (lighter with electrically-produced sparks but without fuel F23Q3/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Lighters characterised by electrical ignition of the fuel
CPC: Lighters characterised by electrical ignition of the fuel (lighter with electrically-produced sparks but without fuel F23Q3/00)
Full Title
Full titles differ between systems:
IPC:
Lighters containing fuel, e.g. for cigarettes > Lighters characterised by electrical ignition of the fuel
CPC:
Lighters containing fuel, e.g. for cigarettes > Lighters characterised by electrical ignition of the fuel (lighter with electrically-produced sparks but without fuel F23Q3/00)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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