DIFF Subgroup
G08B 5/14 with indicator element moving about a pivot, e.g. hinged flap or rotating vane
Introduced: September 1968
Full Title
Visible signalling systems, e.g. visible personal calling systems or remote indication of seats occupied > using hydraulic transmission; using pneumatic transmission > with indicator element moving about a pivot, e.g. hinged flap or rotating vane
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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- G08B 5/16 with reset means necessitating a separate operation to return the indicator element IPC+CPC Available in IPC and CPC