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.)
Alcan Research and Development Ltd
Original Assignee
Aluminium Laboratories Ltd
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 US177740Aexternal-prioritypatent/US3201199A/en
Application filed by Aluminium Laboratories LtdfiledCriticalAluminium Laboratories Ltd
Priority to FR926863ApriorityCriticalpatent/FR1349045A/fr
Application grantedgrantedCritical
Publication of FR1349045ApublicationCriticalpatent/FR1349045A/fr