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.)
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WEATHERBY ELECTRIC AND MANUFACTURING Co
Original Assignee
WEATHERBY ELECTRIC AND MANUFACTURING Co
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Filing date
Publication date
Application filed by WEATHERBY ELECTRIC AND MANUFACTURING CofiledCriticalWEATHERBY ELECTRIC AND MANUFACTURING Co
Application grantedgrantedCritical
Publication of FR345403ApublicationCriticalpatent/FR345403A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
B61L23/12—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only partly operated by train
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR345403D1904-08-061904-08-06Block-system automatique pour tramways électriques à trolley aérien
ExpiredFR345403A
(fr)