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
GB24292/39A
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 GB532270ApublicationCriticalpatent/GB532270A/en
H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
H01J5/32—Seals for leading-in conductors
Landscapes
Vessels And Coating Films For Discharge Lamps
(AREA)
Abstract
532,270. Discharge lamps. BRITISH THOMSONHOUSTON CO., Ltd. Aug. 23, 1939, No. 24292. Convention date, Aug. 23, 1938. [Class 39 (i)] [Also in Group XXXVI] A sealing-in member comprises a disc 1 of vitreous material through which one or more leads 2 pass in at one face and emerge from a lateral edge 3, the disc being sealed at its periphery to the envelope.
GB24292/39A1938-08-231939-08-23Improvements in electric discharge devices and the manufacture thereof
ExpiredGB532270A
(en)