DIFF Subgroup
F21S 41/265 Composite lenses; Lenses with a patch-like shape
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 > Projection lenses > Composite lenses; Lenses with a patch-like shape
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 > Projection lenses > Composite lenses; Lenses with a patch-like shape
No child classifications to compare. This is a leaf node in both IPC and CPC.