CPC Subgroup
F21V 25/02 coming into action when lighting device is disturbed, dismounted, or broken
Full Title
Safety devices structurally associated with lighting devices (gas- tight or water-tight arrangements F21V31/00; in general F16P; protective circuit arrangements per se H02H7/00) > coming into action when lighting device is disturbed, dismounted, or broken
3 direct subcodes
Child Classifications
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- F21V 25/04 breaking the electric circuit
- F21V 25/06 feeding a quenching fluid to the light source
- F21V 25/08 cutting the incandescent filament