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
CA81350F
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.)
Tocad Co Ltd
Original Assignee
Tocad Co Ltd
Publication date
Priority to CA81350FpriorityCriticalpatent/CA81350S/en
Application grantedgrantedCritical
Publication of CA81350SpublicationCriticalpatent/CA81350S/en