DIFF Main Group
F21S 15/00 Non-electric lighting devices or systems employing light sources not covered by main groups F21S11/00, F21S13/00 or F21S19/00
Introduced: September 1968
Title
Titles differ between systems:
IPC: Non-electric lighting devices or systems employing light sources not covered by main groups , or
CPC: Non-electric lighting devices or systems employing light sources not covered by main groups F21S11/00, F21S13/00 or F21S19/00
Full Title
Full titles differ between systems:
IPC:
Non-electric lighting devices or systems employing light sources not covered by main groups , or
CPC:
Non-electric lighting devices or systems employing light sources not covered by main groups F21S11/00, F21S13/00 or F21S19/00
No child classifications to compare. This is a leaf node in both IPC and CPC.