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Priority to ES1969146282UpriorityCriticalpatent/ES146282Y/en
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Publication of ES146282YpublicationCriticalpatent/ES146282Y/en
Self-driving device for boats, essentially characterized in that it is constituted by fins of a flexible nature which are part of a respective rigid frame that is arranged attached, with removable character, on the sides of bow and stern of the ship, said fins being located below the waterline, so that the irregular movements that the waves transmit to the boat, result in a flexion of the said fins which produces, by tangential reaction, a forward thrust in each movement. (Machine-translation by Google Translate, not legally binding)
ES1969146282U1969-03-061969-03-06
SELF-DRIVING DEVICE FOR BOATS.
ExpiredES146282Y
(en)
A system to achieve the propulsion and simultaneously immersion and emersion of ships, particularly submarinos de toy (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of pneumatic boats for remove, candle and O-motor outboard. (Machine-translation by Google Translate, not legally binding)