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.)
Unifrax I LLC
Original Assignee
Carborundum 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
Priority claimed from US428649Aexternal-prioritypatent/US3892396A/en
Application filed by Carborundum CofiledCriticalCarborundum Co
Application grantedgrantedCritical
Publication of AU488715B2publicationCriticalpatent/AU488715B2/en
Publication of AU7685374ApublicationCriticalpatent/AU7685374A/en