CPC Main Group
F21L 4/00 Electric lighting devices with self-contained electric batteries or cells
5 direct subcodes
Child Classifications
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- F21L 4/02 characterised by the provision of two or more light sources
- F21L 4/04 characterised by the provision of a light source housing portion adjustably fixed to the remainder of the device
- F21L 4/06 with the light source coupled to the remainder of the device solely by cable
- F21L 4/08 characterised by means for in situ recharging of the batteries or cells