Patent BE-1914-250753.263776

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Patent BE-1914-250753.263776

This is a “perfectionnement”. It is an addition to Patent BE-1913–250753, 1913-10-03.

« L’invention porte sur l’ensemble du mécanisme des plans rectangulaires pleins à surface rectiligne ou hélicoïdale, disposé en étoile autour d’un axe common et tournant à l’intérieur d’un cylindre partiellement ouvert sur toute sa longeur. »

“The invention relates to the whole mechanism of solid rectangular planes with a rectilinear or helical surface, arranged in a star around a common axis and rotating inside a cylinder partially open along its entire length.”

Sources

  • RdBdI Tome 62, 1914, January-August
  • Inventor location: rue Verte, 16, Brussels



Year filed 1914
Year granted
Office BE
Patent number 263776
Inventors C. Prégaldino
Inventor country FR
Applicant person C. Prégaldino
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Aéroplane
English title Airplane
Tech fields airplane, design, aerodynamics
Filing date 1914-01-14
Full specification filed date
Application number
Grant date
Granted? 1
Publication date
Supplementary to patent Patent BE-1913–250753
Related to aircraft? 1
Serial number
Patent agent
Assigned to
National tech categories BE K
IPCs
CPCs
Family year
First filing? 1913
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages
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Number of claims