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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 filed by Alcatel Espana SAfiledCriticalAlcatel Espana SA
Priority to ES132914ApriorityCriticalpatent/ES132914A1/es
Publication of ES132914A1publicationCriticalpatent/ES132914A1/es
ES132914A1933-12-191933-12-19Sistema de señales automática o de control de agujas para ferrocarriles y análogos medios de tracción.
ExpiredES132914A1
(es)