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.)
May and Baker Ltd
Original Assignee
May and Baker 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 GB4975671Aexternal-prioritypatent/GB1338235A/en
Application filed by May and Baker LtdfiledCriticalMay and Baker Ltd
Priority claimed from GB2792073Aexternal-prioritypatent/GB1421970A/en
Application grantedgrantedCritical
Publication of CA1026755ApublicationCriticalpatent/CA1026755A/en