Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Application grantedgrantedCritical
Publication of FR674141ApublicationCriticalpatent/FR674141A/fr
G08G1/00—Traffic control systems for road vehicles
G08G1/09—Arrangements for giving variable traffic instructions
G08G1/096—Arrangements for giving variable traffic instructions provided with indicators in which a mark progresses showing the time elapsed, e.g. of green phase
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Traffic Control Systems
(AREA)
FR674141D1928-04-281929-04-25Perfectionnements apportés aux appareils de contrôle ou de signalisation pour la circulation dans les rues
ExpiredFR674141A
(fr)