Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G08B 5/40

using smoke, fire or coloured gases

Introduced: September 1968

Full Title

Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied > using smoke, fire or coloured gases

No child classifications to compare. This is a leaf node in both IPC and CPC.