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.)
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 Malleable and Steel Castings Co
Original Assignee
National Malleable and Steel Castings Co
Filing date
Publication date
Application filed by National Malleable and Steel Castings CofiledCriticalNational Malleable and Steel Castings Co
Application grantedgrantedCritical
Publication of AU222895B2publicationCriticalpatent/AU222895B2/en
Publication of AU3544158ApublicationCriticalpatent/AU3544158A/en