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.)
Carmon R. Costello John L. Bell Mark A. Childers And Gode P. Rao Terry Petty
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.)
Ocean Drilling and Exploration Co
Original Assignee
Ocean Drilling and Exploration 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 US475012Aexternal-prioritypatent/US3912228A/en
Application filed by Ocean Drilling and Exploration CofiledCriticalOcean Drilling and Exploration Co
Application grantedgrantedCritical
Publication of AU487406B2publicationCriticalpatent/AU487406B2/en
Publication of AU8172475ApublicationCriticalpatent/AU8172475A/en