Patent FR-1914-472862

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This original document makes reference to the British priority date 1913/10/07.

  • Inventor location: England

Sources


Year filed 1914
Year granted 1914
Office FR
Patent number 472862
Inventors Arthur Alexander Dashwood Lang
Inventor country GB
Applicant person Arthur Alexander Dashwood Lang
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Hélices pour la navigation aérienne
English title Propellers for aerial navigation
Tech fields airplane, propellers
Filing date 1914/06/02
Full specification filed date
Application number 472862D
Grant date 1914/08/21
Granted? Yes
Publication date 1914/12/22
Supplementary to patent Patent GB-1913-22557
Related to aircraft? 1
Serial number
Patent agent Brandon frères
Assigned to
National tech categories FR 6.4
IPCs IPC B64C11/20
CPCs CPC B64C11/205
Family year 1913
First filing? No
Cites these patents
Citations from after 1930
Application ID 19290583
INPADOC family ID 5356708
Number of text pages 2
Number of diagram pages 1
Number of figures 4
Number of claims 2