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
CA33910F
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.)
W W HAFFENDEN Ltd
Original Assignee
W W HAFFENDEN Ltd
Publication date
Priority to CA33910FpriorityCriticalpatent/CA33910S/en
Application grantedgrantedCritical
Publication of CA33910SpublicationCriticalpatent/CA33910S/en