Patent FR-1918-405961.24363

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This is the sixth addition to Patent FR-1908-405961, which brevet was filed 1908-11-26.

Sources


Year filed 1918
Year granted 1922
Office FR
Patent number 24363
Inventors Lucien Chauvière
Inventor country FR
Applicant person Lucien Chauvière
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Perfectionnements à la construction des hélices aériennes en bois, à ailes multiples
English title Improvements in the construction of wooden aerial propellers, with multiple wings
Tech fields construction, design, propellers, wood, aerodynamics
Filing date 1918/04/12
Full specification filed date
Application number 24363D
Grant date 1922/01/21
Granted? Yes
Publication date 1922/06/20
Supplementary to patent Patent FR-1908-405961
Related to aircraft? Yes
Serial number
Patent agent Dupont et Elluin
Assigned to
National tech categories FR 6.4
IPCs IPC B64C11/20
CPCs CPC B64C11/205
Family year 1908
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 18735354
INPADOC family ID 10246286
Number of text pages 2
Number of diagram pages 1
Number of figures 10
Number of claims 1