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.)
B AND M DIE Co
Original Assignee
B AND M DIE Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/585,802external-prioritypatent/US3961858A/en
Application filed by B AND M DIE CofiledCriticalB AND M DIE Co
Priority to CA298,778ApriorityCriticalpatent/CA1062604A/fr
Application grantedgrantedCritical
Publication of CA1062604ApublicationCriticalpatent/CA1062604A/fr