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Individual
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Individual
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Priority to ES1973192008UpriorityCriticalpatent/ES192008Y/en
Publication of ES192008UpublicationCriticalpatent/ES192008U/en
Application grantedgrantedCritical
Publication of ES192008YpublicationCriticalpatent/ES192008Y/en
Perpetual calendar characterized by being essentially constituted by a panel with a lowered frontal plane and a series of longitudinal horizontal and parallel squares that constitute independent compartments, in each of which a magnetizable and horizontally slidable plate is lodged loosely over the entire length of the cajeado; carrying, coupled in the recessed space of the panel and conveniently fixed, a transparent plate in the spaces representative of the names of the days, figures of indication of the same and name of the months and totally opaque in the rest of its surface; the opaque part of the plate and the interior surfaces of the horizontal recesses of the panel being of the same color in order to give the whole the optical impression of a single color in. The opaque and transparent spaces of the outer plate coinciding with the horizontal recesses of the panel. (Machine-translation by Google Translate, not legally binding)
Perfected device for fast finding of the day of the week in which the centuries and the years corresponding to such centuries begin. (Machine-translation by Google Translate, not legally binding)