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
CA194,913A
Inventor
Ludwig Abraham
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.)
BBC Brown Boveri AG Germany
Original Assignee
Brown Boveri und Cie AG Germany
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
Application filed by Brown Boveri und Cie AG GermanyfiledCriticalBrown Boveri und Cie AG Germany
Priority to CA194,913ApriorityCriticalpatent/CA989473A/en
Application grantedgrantedCritical
Publication of CA989473ApublicationCriticalpatent/CA989473A/en