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
CA644F
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 J Gage W J Gage Co
Original Assignee
W J Gage W J Gage Co
Publication date
Priority to CA644FpriorityCriticalpatent/CA644S/en
Application grantedgrantedCritical
Publication of CA644SpublicationCriticalpatent/CA644S/en