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 ES0034428UpriorityCriticalpatent/ES34428Y/en
Publication of ES34428UpublicationCriticalpatent/ES34428U/en
Application grantedgrantedCritical
Publication of ES34428YpublicationCriticalpatent/ES34428Y/en
Folding viewer for slides and films, characterized by being made up of a rectangular strip of cardboard, sheet-tin or other material that can be folded, in which elongated strip, and at determined distances, are scattered, the lens, the screen and two openings rectangular in such a way that, when folding the strip by the marked sites, is formed a viewing chamber, open on both sides. (Machine-translation by Google Translate, not legally binding)
ES0034428U1953-01-241953-01-24
Foldable viewer for slides and films
ExpiredES34428Y
(en)