DIFF Subgroup
F21S 41/29 Attachment thereof (for achieving variable light distribution F21S41/63)
Introduced: January 2018
Title
Titles differ between systems:
IPC: Attachment thereof
CPC: Attachment thereof (for achieving variable light distribution F21S41/63)
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 > Attachment thereof
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 > Attachment thereof (for achieving variable light distribution F21S41/63)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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