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.)
Expired
Application number
AU13069/33A
Inventor
Cyril Halkyard Charles
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.)
Hume Pipe Co Australia Ltd
Original Assignee
Hume Pipe Co Australia Ltd
Publication date
Publication of AU1306933ApublicationCriticalpatent/AU1306933A/en