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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Purolator Products Inc
Original Assignee
Purolator Products Inc
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Filing date
Publication date
Application filed by Purolator Products IncfiledCriticalPurolator Products Inc
Priority to ES0066729UpriorityCriticalpatent/ES66729Y/es
Publication of ES66729UpublicationCriticalpatent/ES66729U/es
Application grantedgrantedCritical
Publication of ES66729YpublicationCriticalpatent/ES66729Y/es
Un dispositivo de filtro a base de un anillo de láminas de papel de filtro plegadas, cuyos pliegues se extienden en el sentido axil del anillo, comprendiendo dichas láminas una pluralidad de capas de papel de filtro de porosidad progresivamente decreciente en el sentido de aguas abajo, caracterizado por el hecho de que dichas láminas van soportadas del lado de aguas abajo por una capa soporte perforada de un papel relativamente más rígido.
ES0066729U1958-06-141958-06-14Un dispositivo de filtro
ExpiredES66729Y
(es)