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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal Co Ltd
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
Priority claimed from GB2642/62Aexternal-prioritypatent/GB957227A/en
Application filed by Westinghouse Brake and Signal Co LtdfiledCriticalWestinghouse Brake and Signal Co Ltd
Priority to FR919786ApriorityCriticalpatent/FR1341976A/fr
Application grantedgrantedCritical
Publication of FR1341976ApublicationCriticalpatent/FR1341976A/fr