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.)
Mountain States Telephone and Telegraph Co
Original Assignee
Mountain States Telephone and Telegraph 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 US506309Aexternal-prioritypatent/US3905896A/en
Application filed by Mountain States Telephone and Telegraph CofiledCriticalMountain States Telephone and Telegraph Co
Application grantedgrantedCritical
Publication of AU496622B2publicationCriticalpatent/AU496622B2/en
Publication of AU8483275ApublicationCriticalpatent/AU8483275A/en