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
CA4734F
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.)
Delbert Burtch D Burtch Manufacturing Co Ltd
Original Assignee
Delbert Burtch D Burtch Manufacturing Co Ltd
Publication date
Priority to CA4734FpriorityCriticalpatent/CA4734S/en
Application grantedgrantedCritical
Publication of CA4734SpublicationCriticalpatent/CA4734S/en