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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Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES59224ApriorityCriticalpatent/ES59224A1/en
Publication of ES59224A1publicationCriticalpatent/ES59224A1/en
ES59224A1914-10-201914-10-20
Improvements in resonance boxes or their equivalents, of talking machines, phonographs and other similar machines.
ExpiredES59224A1
(en)