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
AU24130/71A
Inventor
ALLAN UPTON and JOHN ROBERT KEARY KEITH
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.)
Emco Wheaton UK Ltd
Original Assignee
Emco Wheaton UK 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 of AU427098B2publicationCriticalpatent/AU427098B2/en
Application filed by Emco Wheaton UK LtdfiledCriticalEmco Wheaton UK Ltd