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.)
Expired
Application number
AU21585/77A
Inventor
Ping Sun Chun
Patrick William Clarke
Kenneth William Gardner
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 Corp
Original Assignee
Western Electric Co Inc
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 US05/651,644external-prioritypatent/US4038559A/en
Priority claimed from GB2808/76Aexternal-prioritypatent/GB1566402A/en
Application filed by Western Electric Co IncfiledCriticalWestern Electric Co Inc
Publication of AU2158577ApublicationCriticalpatent/AU2158577A/en