IPC Subgroup
F21V 25/02 coming into action when lighting device is disturbed, dismounted, or broken
Introduced: September 1968
Last revised: January 2006
Full Title
Safety devices structurally associated with lighting devices > coming into action when lighting device is disturbed, dismounted, or broken
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- LIGHTING
- Subclass:
- FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
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