Patent BE-1910-219837

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Chaigneau 1909 RdBdI Search
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Patent BE-1909-219837

Sources

"Un moyeu et des bras de levier robustes maintiennent des ailes creuses renforcées de forme et de section appropriées à leur travail."

That is, "A central point and substantial distances between the extremities and the points of pressure maintain hollow wings reinforced in shape and position appropriate to their work ".

  • Inventor location: 79 rue de Gergovie, Paris, France
Patent family descending from Patent BE-1910-219837
  • Patent BE-1910-219837 (English title: Inflexible propeller blade)
  • Patent FR-1911-421916 (English title: Reinforced hollow propeller blade, Supplementary to patent: Patent BE-1910-219837)
Year filed 1909
Year granted 1910
Office BE
Patent number 219837
Inventors Henry Chaigneau, A. Schindler
Inventor country FR
Applicant person Henry Chaigneau, A. Schindler
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Hélice aérienne indéformable
English title Inflexible propeller blade
Tech fields propellers, design, construction
Filing date October 14, 1909
Full specification filed date
Application number
Grant date August 5, 1910
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent H. Raclot
Assigned to
National tech categories BE K
IPCs
CPCs
Family year 1909
First filing? No
Number of citations
Cited by
Application ID
INPADOC family ID
Number of text pages
Number of diagram pages
Number of figures
Number of claims