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
AU29009/67A
Inventor
WALTER PARKER ALAN EVANS and WALTER EDOUARD ERNST FREDERICK SPRAGG
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.)
Ernest Spragg & Sons Ltd
Original Assignee
Ernest Spragg & Sons 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 date
Application filed by Ernest Spragg & Sons LtdfiledCriticalErnest Spragg & Sons Ltd
Publication of AU2900967ApublicationCriticalpatent/AU2900967A/en