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
AU779/36A
Inventor
Smyth Johnson Adger
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.)
National Carbon Co Inc
Original Assignee
National Carbon Co Inc
Filing date
Publication date
Application filed by National Carbon Co IncfiledCriticalNational Carbon Co Inc
Publication of AU77936ApublicationCriticalpatent/AU77936A/en