Patent FR-1912-456016.17980

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Year filed 1912
Year granted 1913
Office FR
Patent number 17980
Inventors Désiré Crayssac
Inventor country FR
Applicant person Désiré Crayssac
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Cerf-volant automoteur
English title Motor system for airplane
Tech fields Propellers, Propulsion, Design, Construction, Frame, Airplane
Filing date 1912/10/19
Full specification filed date
Application number 17980D
Grant date 1913/10/30
Granted? Yes
Publication date 1914/01/05
Supplementary to patent Patent FR-1912-456016
Related to aircraft?
Serial number
Patent agent J. Germain
Assigned to
National tech categories FR 6.4
IPCs IPC B64C39/10
CPCs CPC B64C39/10
Family year 1912
First filing? No
Cites these patents
Citations from after 1930
Application ID 18729013
INPADOC family ID 5201109
Number of text pages 2
Number of diagram pages 1
Number of figures 5
Number of claims 2