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.)
AT&T Teletype Corp
Original Assignee
Teletype Corp
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 US00268237Aexternal-prioritypatent/US3823667A/en
Application filed by Teletype CorpfiledCriticalTeletype Corp
Application grantedgrantedCritical
Publication of CA1037776ApublicationCriticalpatent/CA1037776A/fr