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
CA40433F
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.)
Combined Optical Industries Ltd
Original Assignee
Combined Optical Industries Ltd
Publication date
Priority to CA40433FpriorityCriticalpatent/CA40433S/en
Application grantedgrantedCritical
Publication of CA40433SpublicationCriticalpatent/CA40433S/en