CPC Subgroup
F21S 43/242 characterised by the emission area
Full Title
Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights > characterised by refractors, transparent cover plates, light guides or filters > Light guides > characterised by the emission area
3 direct subcodes
Child Classifications
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- F21S 43/243 emitting light from one or more of its extremities
- F21S 43/245 emitting light from one or more of its major surfaces