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 - Lifetime
Application number
AU17091/62A
Inventor
ALFRED AERFELDT and KARL ERIK PONTUS THE LANDER KNUD
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.)
Svenska Icopalfabriken AB
Original Assignee
Svenska Icopalfabriken AB
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 of AU270015B2publicationCriticalpatent/AU270015B2/en
Application filed by Svenska Icopalfabriken ABfiledCriticalSvenska Icopalfabriken AB