characterised by refractors, transparent cover plates, light guides or filters

Introduced: January 2018

Full Title

Full titles differ between systems:

IPC:

Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps > characterised by refractors, transparent cover plates, light guides or filters

CPC:

Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps (reversing lights F21S43/00) > characterised by refractors, transparent cover plates, light guides or filters

Of 6 combined children, 3 exist in both systems.

3 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 2018.

Child Classifications

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F21S 41/24 Light guides since 2018 IPC+CPC Available in IPC and CPC
F21S 41/25 Projection lenses since 2018 IPC+CPC Available in IPC and CPC
F21S 41/28 CPC only CPC only
F21S 41/2805 CPC only CPC only
F21S 41/285 CPC only CPC only
F21S 41/29 Attachment thereof (for achieving variable light distribution F21S41/63) since 2018 +1 CPC IPC+CPC Available in IPC and CPC