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
CA725469A
Inventor
J. Boyce James
K. Banister Ronald
J. Johanson Olaf
E. Burley William
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.)
BANISTER CONSTRUCTION 1963 Ltd
Original Assignee
BANISTER CONSTRUCTION 1963 Ltd
Publication date
Application grantedgrantedCritical
Publication of CA725469ApublicationCriticalpatent/CA725469A/en