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 - Lifetime
Application number
CA68400F
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.)
Robert John Stone
Original Assignee
Robert John Stone
Publication date
Priority to CA68400FpriorityCriticalpatent/CA68400S/en
Application grantedgrantedCritical
Publication of CA68400SpublicationCriticalpatent/CA68400S/en