DIFF Subgroup
F23Q 7/24 Safety arrangements
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 > Details > Safety arrangements
CPC:
Incandescent ignition; Igniters using electrically-produced heat, e.g. lighters for cigarettes (circuits therefor H01T15/00); Electrically-heated glowing plugs > Details > Safety arrangements
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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