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
CA561F
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.)
John Penman Penman Manufacturing Co Ltd
Original Assignee
John Penman Penman Manufacturing Co Ltd
Publication date
Priority to CA561FpriorityCriticalpatent/CA561S/en
Application grantedgrantedCritical
Publication of CA561SpublicationCriticalpatent/CA561S/en