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
CA21249F
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.)
Individual
Original Assignee
Individual
Publication date
Priority to CA21249FpriorityCriticalpatent/CA21249S/en
Application grantedgrantedCritical
Publication of CA21249SpublicationCriticalpatent/CA21249S/en