Patent BE-1915-275309

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“Chaque aile de l’hélice est munie d’une superstructure qui comble le vide formé dans le … des ailes.”

“Each propeller “wing” (blade) is furnished with a superstructure which fills the space formed in the … of the “wings” (propeller blades)s.”

  • Inventor location: rue du Luxembourg, 31, Brussels, Belgium
  • Source: RdBdI 1916


Year filed 1915
Year granted 1916
Office BE
Patent number 275309
Inventors P. Anspach
Inventor country BE
Applicant person P. Anspach
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Hélice d’aéroplane
English title Airplane propeller
Tech fields airplane, propellers
Filing date November 26, 1915
Full specification filed date
Application number
Grant date
Granted?
Publication date
Supplementary to patent
Related to aircraft? -1
Serial number
Patent agent H. Kirkpatrick, Brussels, Belgium
Assigned to
National tech categories BE K
IPCs
CPCs
Family year 1915
First filing?
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages
Number of diagram pages
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Number of claims