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
GB16436/29A
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 GB312613ApublicationCriticalpatent/GB312613A/en
H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
Landscapes
Discharge Lamp
(AREA)
Abstract
312,613. British Thomson-Houston Co., Ltd., (Assignees of Campbell, P. A.). May 28, 1928, [Convention date]. Residual gases; leading-in wires. -Chromium for use as a getter is applied at 20 at or near the ends of the leading-in wires, adjacent the hooks 18 by which the filament is secured to them.
GB16436/29A1928-05-281929-05-28Improvements in and relating to incandescent electric lamps
ExpiredGB312613A
(en)