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.)
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
Priority claimed from GB1490973Aexternal-prioritypatent/GB1437261A/en
Application filedfiledCritical
Application grantedgrantedCritical
Publication of AU6706674ApublicationCriticalpatent/AU6706674A/en
Publication of AU484378B2publicationCriticalpatent/AU484378B2/en