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
AU26137/63A
Inventor
Bower Clarks.
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.)
Layne & Bowler (australasia) Pty Ltd
Original Assignee
Layne & Bowler (australasia) Pty Ltd
Filing date
Publication of AU266470B2publicationCriticalpatent/AU266470B2/en