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.)
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 US00267805Aexternal-prioritypatent/US3810124A/en
Application filed by International Business Machines CorpfiledCriticalInternational Business Machines Corp
Priority to CA281,838ApriorityCriticalpatent/CA1035046A/fr
Application grantedgrantedCritical
Publication of CA1035046ApublicationCriticalpatent/CA1035046A/fr