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
CA563F
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 Manfacturing Co
Original Assignee
John Penman Penman Manfacturing Co
Publication date
Priority to CA563FpriorityCriticalpatent/CA563S/en
Application grantedgrantedCritical
Publication of CA563SpublicationCriticalpatent/CA563S/en