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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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0048018UpriorityCriticalpatent/ES48018Y/en
Publication of ES48018UpublicationCriticalpatent/ES48018U/en
Application grantedgrantedCritical
Publication of ES48018YpublicationCriticalpatent/ES48018Y/en
Portable removable viewer for transparencies, characterized in that it consists of two attachable and uncouplable assemblies at will, one of them being constituted by a pocket electric lamp whose illumination is produced on a translucent window, and the other set consisting of two parallel frames linked by a scissor joint, one of the frames supporting a converging lens arranged to serve as a magnifying glass, giving an enlarged image of the transparency, and the other guide frame being provided to allow the installation of the transparency in a centered position with respect to the optical axis of the lens. (Machine-translation by Google Translate, not legally binding)
ES0048018U1955-05-131955-05-13
Portable detachable viewer for transparencies
ExpiredES48018Y
(en)
Procedure and device for the continuous evaluation of paste quality and/or polishing of a transparent sheet (Machine-translation by Google Translate, not legally binding)
Improvements in the objectives for the projection of photographic and cinematographic images (Machine-translation by Google Translate, not legally binding)
Transmission projector in an illuminated room and on a screen behind the operator's back (Machine-translation by Google Translate, not legally binding)