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Priority to ES0255391ApriorityCriticalpatent/ES255391A3/en
Publication of ES255391A3publicationCriticalpatent/ES255391A3/en
Perfections in fountain pens characterized in that they essentially consist of forming an upper feather body, provided with an internal thread, into which a dense ink cartridge press fits, inside which there is a heavy spherical element of smaller diameter than that of the cartridge, which runs through the same, preventing the formation of lumps in said ink, having said cartridge, which is closed at the opposite end, a plug attached to a nib, which is provided with a hollow needle through which the ink without interruption, by capillarity until said metallic nib which will have the electro-finished point closing the assembly by means of a lower body of feather with external thread. (Machine-translation by Google Translate, not legally binding)
ES0255391A1960-01-291960-01-29Improvements in fountain pens (Machine-translation by Google Translate, not legally binding)
ExpiredES255391A3
(en)