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
AU52408/69A
Inventor
Harwood Hayhurst Ralph
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.)
R H HAYHURST AND Co Ltd
Original Assignee
R H HAYHURST AND Co 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 R H HAYHURST AND Co LtdfiledCriticalR H HAYHURST AND Co Ltd
Publication of AU5240869ApublicationCriticalpatent/AU5240869A/en