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Individual
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Priority to ES0011792UpriorityCriticalpatent/ES11792U/en
Publication of ES11792UpublicationCriticalpatent/ES11792U/en
Fountain pens new system for its load based on the vacuum system and provided with a rubber tube of special construction in the form of a spring that is attached to a glass tube closed at one end, or to a tube of any transparent and even opaque material, and from the front it is attached to the nozzle, which by means of alternative pressures produces the exit of the air through an orifice provided for that purpose in the feeder and the ink input through the capillaries thereof, achieving the Repeat the operation several times to complete the rubber tube and the glass tube or similar attached to it. (Machine-translation by Google Translate, not legally binding)
ES0011792U1945-07-311945-07-31Fountain pens of new special filling device (Machine-translation by Google Translate, not legally binding)
PendingES11792U
(en)