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
AU17171/56A
Inventor
Errol Duff Jack
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.)
Hoover Ltd
Original Assignee
Hoover Ltd
Filing date
Publication of AU212850B2publicationCriticalpatent/AU212850B2/en
Application filed by Hoover LtdfiledCriticalHoover Ltd