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.)
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 73858priorityCriticalpatent/CA73858S/en
Application grantedgrantedCritical
Publication of CA73858SpublicationCriticalpatent/CA73858S/en