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
CA420F
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.)
D G Brosseau & Co
Original Assignee
D G Brosseau & Co
Publication date
Priority to CA420FpriorityCriticalpatent/CA420S/en
Application grantedgrantedCritical
Publication of CA420SpublicationCriticalpatent/CA420S/en