Patent FR-1869-84301

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  • Brevet d'invention de 15 ans
  • Inventor location: Bayonne (6, rue Marengo, Basses-Pyrénées)

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Year filed 1869
Year granted
Office FR
Patent number 84301
Inventors Louis-P. Bertrand
Inventor country FR
Inventor location Bayonne, Basses-Pyrénées
Applicant person
Applicant firm
Applicant type
Applicant is inventor? Yes
Original title moteur aérhydromonique par l'ascension de l'air ou du vide dans l'eau, ou par la loi naturelle d'attraction des corps légers hors du centre terrestre et vers leurs milieux de densité
English title Aero-hydromonique system via air ascension or water vacuum, or by natural attraction law of light bodies beyond the ground center and towards those of heavier density
Tech fields Lift, propulsion
Filing date February 26, 1869
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Granted? No
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Supplementary to patent
Related to aircraft? Yes
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National tech categories FR 2
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First filing? No
Cites these patents
Citations from after 1930
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