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.)
William Bertram Porter and Roy Curdy Northcott Frederick
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.)
British Petroleum Co Ltd
Original Assignee
British Petroleum Co Ltd
Filing date
Publication date
Application filed by British Petroleum Co LtdfiledCriticalBritish Petroleum Co Ltd
Application grantedgrantedCritical
Publication of AU482154ApublicationCriticalpatent/AU482154A/en
Publication of AU205840B2publicationCriticalpatent/AU205840B2/en