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.)
Carpenter Technology Corp
Original Assignee
Carpenter Technology Corp
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Publication date
Priority claimed from US00220108Aexternal-prioritypatent/US3811875A/en
Application filed by Carpenter Technology CorpfiledCriticalCarpenter Technology Corp
Application grantedgrantedCritical
Publication of CA978395ApublicationCriticalpatent/CA978395A/en