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
GB22088/44A
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 States Time Corp
Original Assignee
United States Time 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
Application filed by United States Time CorpfiledCriticalUnited States Time Corp
Publication of GB587424ApublicationCriticalpatent/GB587424A/en
Alloys having a positive temperature coefficient of permeability have the following compositions:-30 per cent. nickel, 70 per cent. iron; 30 per cent. copper, 66 1/2 per cent. nickel, 3 1/2 per cent. iron; 9 1/2 per cent. copper, 88 per cent. nickel and 2 1/2 per cent. iron.