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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Berne De Chavannes Ferdinand P
Original Assignee
Berne De Chavannes Ferdinand P
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Filing date
Publication date
Application filed by Berne De Chavannes Ferdinand PfiledCriticalBerne De Chavannes Ferdinand P
Priority to ES32797ApriorityCriticalpatent/ES32797A1/en
Publication of ES32797A1publicationCriticalpatent/ES32797A1/en
ES32797A1903-11-031903-11-03
A system of mechanical devices, automatic warnings, to prevent and avoid the collisions of the trains on the iron roads.
ExpiredES32797A1
(en)
An electrical system that allows the change of voice signals between the locomotives in motion and the stations, stopping places, and between the locomotives themselves in order to avoid collisions of the trains on the iron roads.