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
CA198,597A
Inventor
Heinz Focke
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.)
Focke and Pfuhl
Original Assignee
Focke and Pfuhl
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 DE19691953350external-prioritypatent/DE1953350C/en
Priority claimed from CA096,248Aexternal-prioritypatent/CA991128A/en
Application filed by Focke and PfuhlfiledCriticalFocke and Pfuhl
Priority to CA198,597ApriorityCriticalpatent/CA997309A/en
Application grantedgrantedCritical
Publication of CA997309ApublicationCriticalpatent/CA997309A/en