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.)
Railway & Industrial Eng Co
Original Assignee
Railway & Industrial Eng 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
Priority claimed from GB27332/29Aexternal-prioritypatent/GB339646A/en
Application filed by Railway & Industrial Eng CofiledCriticalRailway & Industrial Eng Co
Application grantedgrantedCritical
Publication of FR682037ApublicationCriticalpatent/FR682037A/en