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.)
Peter Spence Clough Thomas Nicklin And David Ogden Fred Farrington
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.)
North Western Gas Board
Original Assignee
North Western Gas Board
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 GB855172Aexternal-prioritypatent/GB1416871A/en
Application filed by North Western Gas BoardfiledCriticalNorth Western Gas Board
Publication of AU5085673ApublicationCriticalpatent/AU5085673A/en
Application grantedgrantedCritical
Publication of AU470721B2publicationCriticalpatent/AU470721B2/en