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
AU21758/53A
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.)
George James Slight
Original Assignee
George James Slight
Publication date
Application grantedgrantedCritical
Publication of AU161158B2publicationCriticalpatent/AU161158B2/en