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 ES1849000454ApriorityCriticalpatent/ES454H1/es
Publication of ES454H1publicationCriticalpatent/ES454H1/es
ES1849000454A1849-06-301849-06-30Nuevo sistema de cuerdas de piano, llamadas planicordias que producen sonido mayor y mas agradable etc.
ExpiredES454H1
(es)
Un mecanismo clave pedal clavecín "Sistema Arutnev" aplicable a todos los modelos de pianos para imitar a todos los instrumentos de cuerda como clave o clavecímbalo, mandolín, arpa y todos sus similares por medio de pedal o registro.