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
GB965441A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Priority to GB965441ApriorityCriticalpatent/GB546231A/en
Publication of GB546231ApublicationCriticalpatent/GB546231A/en
H01J21/06—Tubes with a single discharge path having electrostatic control means only
H01J21/065—Devices for short wave tubes
Landscapes
Discharge Lamp
(AREA)
Fastening Of Light Sources Or Lamp Holders
(AREA)
Abstract
546,231. Thermionic valves. PHILIPS LAMPS, Ltd. (Naamlooze Vennootschap Philips' Gloeilampenfabrieken). July 29, 1941, No. 9654. Drawings to Specification. [Class 39 (i)] The subject-matter of this Specification is identical with that of Specification 612,651, [Group XL (a)].
GB965441A1941-07-291941-07-29Improvements in or relating to the supply conductors of electron discharge tubes
ExpiredGB546231A
(en)