Patent FR-1910-410528.12630

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This is the first addition to Patent FR-1909-410528, filed 1909-12-24.


Year filed 1910
Year granted 1910
Office FR
Patent number 12630
Inventors Louis-Pierre-Guilhaume Balestrié
Inventor country FR
Applicant person Louis-Pierre-Guilhaume Balestrié
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Hélice ondulée à ailettes
English title Corrugated vane propeller
Tech fields Propellers, Propulsion, Design, Aerodynamics
Filing date 1910/05/07
Full specification filed date
Application number 12630D
Grant date 1910/10/20
Granted? Yes
Publication date 1910/10/20
Supplementary to patent Patent FR-1909-410528
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 6.2
IPCs IPC B63H1/12
CPCs CPC B63H1/12, CPC B63B2745/00, CPC B63H1/20, CPC B63H1/26, CPC B64C11/16
Family year 1909
First filing? No
Cites these patents
Citations from after 1930
Application ID 18719841
INPADOC family ID 5197543
Number of text pages 1
Number of diagram pages 1
Number of figures 1
Number of claims 1