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LUNDQUIST BORIS
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LUNDQUIST BORIS
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Application filed by LUNDQUIST BORISfiledCriticalLUNDQUIST BORIS
Priority to ES0028782UpriorityCriticalpatent/ES28782Y/en
Publication of ES28782UpublicationCriticalpatent/ES28782U/en
Application grantedgrantedCritical
Publication of ES28782YpublicationCriticalpatent/ES28782Y/en
Light Guides In General And Applications Therefor
(AREA)
Optical Measuring Cells
(AREA)
Abstract
Luminescent ring characterized in presenting an annular zone and a flattened and enlarged one, presenting the particularity that one or both of the aforesaid parts have a phosphorescent material and, where appropriate, reliefs and/or areas covered with opaque or slightly translucent matter that produce Shadows or parts of less luminous intensity. (Machine-translation by Google Translate, not legally binding)
ES0028782U1951-11-131951-11-13
Luminescent ring
ExpiredES28782Y
(en)