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
AU432/21A
Inventor
Engineer Lower Belgrave Streed Westminster London England Walter Reginald Hume
Filing date
Publication date
Application filedfiledCritical
Publication of AU43221ApublicationCriticalpatent/AU43221A/en