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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ANONIMA DE CRISTALES OPTICOS SACO SOC
Original Assignee
ANONIMA DE CRISTALES OPTICOS SACO SOC
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Filing date
Publication date
Application filed by ANONIMA DE CRISTALES OPTICOS SACO SOCfiledCriticalANONIMA DE CRISTALES OPTICOS SACO SOC
Priority to ES0047857UpriorityCriticalpatent/ES47857Y/es
Publication of ES47857UpublicationCriticalpatent/ES47857U/es
Application grantedgrantedCritical
Publication of ES47857YpublicationCriticalpatent/ES47857Y/es
"VIDRIO BIFOCAL CON LENTE TALLADA DE FORMA PERFECCIONADA", caracterizado por constituir una lente de dos regiones con desigual potencia óptica en una masa única de vidrio, una de cuyas caras, por lo menos se encuentra tallada en un plano diferente y con desigual curvatura al resto de su superficie; y su contorno formado por diferentes líneas compuestas de rectas y curvas.
ES0047857U1955-05-061955-05-06Vidrio bifocal con lente tallada de forma perfeccionada
ExpiredES47857Y
(es)