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.)
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Metalurgica Espanola SA
Original Assignee
Metalurgica Espanola SA
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Filing date
Publication date
Application filed by Metalurgica Espanola SAfiledCriticalMetalurgica Espanola SA
Priority to ES0030538UpriorityCriticalpatent/ES30538U/en
Publication of ES30538UpublicationCriticalpatent/ES30538U/en
Screen with refractory section, for luminous tubes, consisting of a semi-tubular element, of glass, glass, or of a translucent resinoplastic material, inside which the luminous tube is disposed, characterized by the fact of presenting said screen a section Refractor of the light, of variable amplitude, constituted by a fluted, capricious or normal wavy, or other kind of styling that acts as a refractor of light. (Machine-translation by Google Translate, not legally binding)
ES0030538U1952-03-311952-03-31Screen with refractory section for luminous tubes (Machine-translation by Google Translate, not legally binding)
PendingES30538U
(en)
A procedure to make visible the variations of temperature and the intensity of lighting through indicating substances and glass moons of various layers with these indicating substances (Machine-translation by Google Translate, not legally binding)