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 ES110849ApriorityCriticalpatent/ES110849A1/es
Publication of ES110849A1publicationCriticalpatent/ES110849A1/es
ES110849A1929-01-111929-01-11Procedimiento para la fabricación de filtros, especialmente filtros respiratorios para humo y niebla.
ExpiredES110849A1
(es)