Patent FR-1912-442488

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Year filed 1912
Year granted 1912
Office FR
Patent number 442488
Inventors Lucien-Constant-Joseph Harel
Inventor country FR
Applicant person Lucien-Constant-Joseph Harel
Applicant firm
Applicant type
Applicant is inventor? 1
Original title Mode d'établissement des surfaces portantes pour aéroplanes
English title Mode of establishment of airfoils for airplanes
Tech fields airfoil
Filing date 1912-04-12
Full specification filed date
Application number 442488D
Grant date 1912-06-21
Granted? 1
Publication date 1912-09-02
Supplementary to patent Patent BE-1911-04-11
Related to aircraft? 1
Serial number
Patent agent G. Mestral et F. Haustre
Assigned to
National tech categories FR 6.4
IPCs IPC B64C3/00
CPCs CPC B64C2700/6235, CPC B64C3/00
Family year 1912
First filing? 1
Number of citations
Cited by
Application ID 19260915
INPADOC family ID 5331259
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 1