F21S 45/20 Promoting gas flow in lighting devices, e.g. directing flow toward the cover glass for demisting (ventilation F21S45/30; forced cooling F21S45/42)
Introduced: January 2018
Title
Titles differ between systems:
IPC: Promoting gas flow in lighting devices, e.g. directing flow toward the cover glass for demisting
CPC: Promoting gas flow in lighting devices, e.g. directing flow toward the cover glass for demisting (ventilation F21S45/30; forced cooling F21S45/42)
Full Title
Full titles differ between systems:
Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light > Promoting gas flow in lighting devices, e.g. directing flow toward the cover glass for demisting
Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light > Promoting gas flow in lighting devices, e.g. directing flow toward the cover glass for demisting (ventilation F21S45/30; forced cooling F21S45/42)
No child classifications to compare. This is a leaf node in both IPC and CPC.