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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
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 GB3787073Aexternal-prioritypatent/GB1444153A/en
Application filed by BICC PLCfiledCriticalBICC PLC
Application grantedgrantedCritical
Publication of AU494572B2publicationCriticalpatent/AU494572B2/en
Publication of AU7194774ApublicationCriticalpatent/AU7194774A/en