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.)
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 ES205084ApriorityCriticalpatent/ES205084A1/en
Publication of ES205084A1publicationCriticalpatent/ES205084A1/en
Vessels And Coating Films For Discharge Lamps
(AREA)
Abstract
Electric discharge tube comprising a glass envelope consisting of at least part of glass and which is internally covered at least in part by a non-reflecting metallic layer produced by evaporation characterized in that said layer consists of an alloy or mixture of nickel and chromium. (Machine-translation by Google Translate, not legally binding)
ES205084A1952-08-221952-08-22A tube of electric shock (Machine-translation by Google Translate, not legally binding)
ExpiredES205084A1
(en)