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
GB4860/38A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co Ltd
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 British Thomson Houston Co LtdfiledCriticalBritish Thomson Houston Co Ltd
Publication of GB514884ApublicationCriticalpatent/GB514884A/en
H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
H01J19/66—Means forming part of the tube for the purpose of providing electrical connection to it
Landscapes
Adjustable Resistors
(AREA)
Apparatuses And Processes For Manufacturing Resistors
(AREA)
Abstract
514,884. Cut-outs. BRITISH THOMSONHOUSTON CO., Ltd. Feb. 16, 1938, No. 4860. Void. Convention date, Feb. 16, 1937. Drawings to Specification. [Class 38 (i)] A cut-out for series circuits consisting of a resistance element arranged to break down at a predetermined voltage comprises an oxidized disc of copper containing a small percentage of some other metal. The disc may be made of copper alloy containing between 3 per cent. and 10 per cent. of silver.
GB4860/38A1937-02-161938-02-16Improvements in and relating to electric cut-outs
ExpiredGB514884A
(en)