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
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.)
United Telegraph & Cable Compa
WILLIAM MANSFIELD BRUCE JR
Original Assignee
United Telegraph & Cable Compa
WILLIAM MANSFIELD BRUCE JR
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
Application filed by United Telegraph & Cable Compa, WILLIAM MANSFIELD BRUCE JRfiledCriticalUnited Telegraph & Cable Compa
Application grantedgrantedCritical
Publication of GB191318321ApublicationCriticalpatent/GB191318321A/en