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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0072137UpriorityCriticalpatent/ES72137Y/en
Publication of ES72137UpublicationCriticalpatent/ES72137U/en
Application grantedgrantedCritical
Publication of ES72137YpublicationCriticalpatent/ES72137Y/en
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like
(AREA)
Abstract
A perfected tulip, applicable to lamps of any type, essentially characterized by having an outer envelope consisting of helically wound wire, so that each pass is in contact with the previous one, forming a hollow body, open at its bases, of shape and dimensions variables according to the cases. (Machine-translation by Google Translate, not legally binding)
ES0072137U1959-02-191959-02-19
Improved shade applicable to lamps of any type
ExpiredES72137Y
(en)