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.)
Expired
Application number
CA101,430A
Inventor
Gerhard Bobst
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.)
Von Roll AG
Original Assignee
Von Roll 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 CH44369Aexternal-prioritypatent/CH490874A/en
Priority claimed from CH1944369Aexternal-prioritypatent/CH503901A/en
Application filed by Von Roll AGfiledCriticalVon Roll AG
Application grantedgrantedCritical
Publication of CA946212ApublicationCriticalpatent/CA946212A/en