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
AU36105/58A
Inventor
Burtt Hargreaves and Erie Stainforth Derek
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.)
Hargreaves & Co Ltd
Original Assignee
Hargreaves & Co Ltd
Filing date
Publication of AU227245B2publicationCriticalpatent/AU227245B2/en
Application filed by Hargreaves & Co LtdfiledCriticalHargreaves & Co Ltd