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
CA593515A
Inventor
Scott Richard
Kelly Patrick
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.)
Sir McAlpine Robert and Sons Ltd
Original Assignee
Sir McAlpine Robert and Sons Ltd
Publication date
Application grantedgrantedCritical
Publication of CA593515ApublicationCriticalpatent/CA593515A/en
Device for use with cranes for removing piles such as used in coffer-dams wharves piers and like structures and for performing similar lifting operations