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 ES0060267UpriorityCriticalpatent/ES60267Y/en
Publication of ES60267UpublicationCriticalpatent/ES60267U/en
Application grantedgrantedCritical
Publication of ES60267YpublicationCriticalpatent/ES60267Y/en
Book of changeable sheets, perfected, characterized by having on the front edge of one of its covers a cavity in which its key is lodged. (Machine-translation by Google Translate, not legally binding)
ES0060267U1957-05-311957-05-31
Perfect Changeable Sheet Book
ExpiredES60267Y
(en)