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
CA 81149
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.)
Canon Inc
Original Assignee
Canon Inc
Publication date
Priority to CA 81149priorityCriticalpatent/CA81149S/en
Application grantedgrantedCritical
Publication of CA81149SpublicationCriticalpatent/CA81149S/en