DIFF Subgroup
F21S 4/22 flexible or deformable, e.g. into a curved shape
Introduced: January 2016
Full Title
Lighting devices or systems using a string or strip of light sources > with light sources held by or within elongate supports > flexible or deformable, e.g. into a curved shape
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 2016.
Child Classifications
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- F21S 4/26 of rope form, e.g. LED lighting ropes, or of tubular form since 2016 IPC+CPC Available in IPC and CPC