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
CA232,048A
Inventor
Hubert P. Aucoin
James C. Storm
Thomas A. Myers
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.)
Individual
Original Assignee
Individual
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 US00344516Aexternal-prioritypatent/US3805902A/en
Application filed by IndividualfiledCriticalIndividual
Priority to CA232,048ApriorityCriticalpatent/CA987661A/en
Application grantedgrantedCritical
Publication of CA987661ApublicationCriticalpatent/CA987661A/en
CA232,048A1973-03-261975-07-23Method of transferring a stand of drill pipe from a well-drilling derrick to a vertical pipe racking tower
ExpiredCA987661A
(en)