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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES57ApriorityCriticalpatent/ES57A1/es
Publication of ES57A1publicationCriticalpatent/ES57A1/es
Perfeccionamientos realizados en los pianos y otros instrumentos de música y, en general de los medios empleados para refractar, reforzar y modular los sonidos.