DIFF Main Group
F21S 13/00 Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape
Introduced: September 1968
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
Child Classifications
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- F21S 13/02 Devices intended to be fixed, e.g. ceiling lamp, wall lamp IPC+CPC Available in IPC and CPC
- F21S 13/12 Devices intended to be free-standing, e.g. table lamp, floor lamp IPC+CPC Available in IPC and CPC