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
AU43983/72A
Inventor
RICHARD EUGENE SMITH and WALTER DANIEL SIEKIERSKI JOSEPH WALTER SCHNELLER
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 Gypsum Co
Original Assignee
National Gypsum Co
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
Application filed by National Gypsum CofiledCriticalNational Gypsum Co
Publication of AU4398372ApublicationCriticalpatent/AU4398372A/en