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 - Lifetime
Application number
AU67780/65A
Inventor
Henry Anderson Harold
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.)
G & J Weir Ltd
Original Assignee
G & J Weir 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 AU406108B2publicationCriticalpatent/AU406108B2/en
Application filed by G & J Weir LtdfiledCriticalG & J Weir Ltd