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.)
Int Automatic Railway Swith Co
Original Assignee
Int Automatic Railway Swith Co
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 Int Automatic Railway Swith CofiledCriticalInt Automatic Railway Swith Co
Priority to ES48461ApriorityCriticalpatent/ES48461A1/en
Publication of ES48461A1publicationCriticalpatent/ES48461A1/en