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.)
Sulzer Escher Wyss AG
Original Assignee
Escher Wyss AG
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 CH1505366Aexternal-prioritypatent/CH454796A/de
Application filed by Escher Wyss AGfiledCriticalEscher Wyss AG
Priority to FR123695ApriorityCriticalpatent/FR1540130A/fr
Application grantedgrantedCritical
Publication of FR1540130ApublicationCriticalpatent/FR1540130A/fr