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
AU21641/35A
Inventor
Oswald Samuel John
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.)
EMLYN ANTHRACITE COLLIERY Ltd
Original Assignee
EMLYN ANTHRACITE COLLIERY Ltd
Filing date
Publication date
Application filed by EMLYN ANTHRACITE COLLIERY LtdfiledCriticalEMLYN ANTHRACITE COLLIERY Ltd
Publication of AU2164135ApublicationCriticalpatent/AU2164135A/en