DIFF Subgroup
F21S 41/14 characterised by the type of light source
Introduced: January 2018
Full Title
Full titles differ between systems:
IPC:
Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps > characterised by the light source > characterised by the type of light source
CPC:
Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps (reversing lights F21S43/00) > characterised by the light source > characterised by the type of light source
Of 6 combined children, 5 exist in both systems.
1 codes are CPC-only extensions.
IPC defines codes here since 2018.
Child Classifications
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- F21S 41/162 Incandescent light sources, e.g. filament or halogen lamps since 2018 IPC+CPC Available in IPC and CPC
- F21S 41/176 Light sources where the light is generated by photoluminescent material spaced from a primary light generating element since 2018 IPC+CPC Available in IPC and CPC