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
GB33947/32A
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.)
GERMAINE GOURDON
Original Assignee
GERMAINE GOURDON
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 GERMAINE GOURDONfiledCriticalGERMAINE GOURDON
Publication of GB390108ApublicationCriticalpatent/GB390108A/en
H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space
Landscapes
Vessels And Coating Films For Discharge Lamps
(AREA)
Abstract
390,108. Mercury - vapour lamps. GOURDON, G., 1, Rue St-Denis, Montmorency, Seine-et-Oise, France. Nov. 30, 1932, No. 33947. Convention date, Nov. 30, 1931. [Class 39 (i).] In a lamp a which is protected from excessive cooling by an evacuated quartz jacket b, the exhaustion of the lamp and of the vessel is facilitated by arranging the lamp nipple d to pass through the jacket at a part thereof near to the jacket nipple c.
GB33947/32A1931-11-301932-11-30Improvements in or relating to mercury vapour lamps
ExpiredGB390108A
(en)