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 ES0052923UpriorityCriticalpatent/ES52923Y/en
Publication of ES52923UpublicationCriticalpatent/ES52923U/en
Application grantedgrantedCritical
Publication of ES52923YpublicationCriticalpatent/ES52923Y/en
Improved instructional game, characterized by being constituted by a book one of whose covers has a circular box or housing with a small notch or notch in its perimeter, characterized in that the opposite cover houses a permanent magnet covered by a plate. flat surface. (Machine-translation by Google Translate, not legally binding)
ES0052923U1956-02-251956-02-25
Instructive game perfected
ExpiredES52923Y
(en)