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.)
Cookson Sheet Metal Developments Ltd
Original Assignee
Cookson Sheet Metal Developments 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 GB4248/69Aexternal-prioritypatent/GB1262272A/en
Priority claimed from CA042022Aexternal-prioritypatent/CA919512A/en
Application filed by Cookson Sheet Metal Developments LtdfiledCriticalCookson Sheet Metal Developments Ltd
Application grantedgrantedCritical
Publication of CA919605ApublicationCriticalpatent/CA919605A/en