Patent ES-1901-27364

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(Espacenet has no original document for this patent. This likely comports with Patent GB-1901-3691 and Patent HU-1901-22471 and Patent CH-1902-23691 and Patent AT-1903-12702. The date below, 1901-04-01, may be that of the patent's application or of its granting. The priority date 1901.02.20 comports with its Hungarian application date. France's apparently being left out, here, is odd.)

Year filed 1901
Year granted 1901
Office ES
Patent number 27364
Inventors Maurice Léger
Inventor country MC
Applicant person Maurice Léger
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Un aparato volador dirigible, más pesado que el aire, movido por hélices "Helicóptero"
English title A directable flying apparatus, heavier than air, moved by propellers "Helicopter"
Tech fields Helicopter
Filing date 1901-04-01
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Grant date 1901-04-01
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Supplementary to patent Patent HU-1901-22471
Related to aircraft? 1
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Citations from after 1930
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