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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0054402UpriorityCriticalpatent/ES54402U/en
Publication of ES54402UpublicationCriticalpatent/ES54402U/en
An annotation disc characterized by a disc provided with one of its faces of a series of signs placed in radial position. (Machine-translation by Google Translate, not legally binding)
ES0054402U1956-05-241956-05-24An annotation disc (Machine-translation by Google Translate, not legally binding)
PendingES54402U
(en)