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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers 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 GB8191/65Aexternal-prioritypatent/GB1112071A/en
Application filed by Pilkington Brothers LtdfiledCriticalPilkington Brothers Ltd
Priority to FR50781ApriorityCriticalpatent/FR1469908A/fr
Application grantedgrantedCritical
Publication of FR1469908ApublicationCriticalpatent/FR1469908A/fr