Lighters with gaseous fuel, e.g. the gas being stored in liquid phase

Introduced: September 1968

Full Title

Lighters containing fuel, e.g. for cigarettes > Lighters with gaseous fuel, e.g. the gas being stored in liquid phase

CPC subdivides this area 3x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

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F23Q 2/161 CPC only CPC only
F23Q 2/162 +1 CPC CPC only CPC only
F23Q 2/164 CPC only CPC only
F23Q 2/165 CPC only CPC only
F23Q 2/167 with adjustable flame since 1980 IPC+CPC Available in IPC and CPC
F23Q 2/173 Valves therefor (valves in general F16K) since 1980 IPC+CPC Available in IPC and CPC

Class F23,2013–2023, worldwide · Source: EPO PATSTAT

Class F23,2013–2023, worldwide · Source: EPO PATSTAT