Patent CH-1907-41856

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  • Mandataire: H. Kirchhofer, ci-devant Bourry-Sequin & Co., Zurich

Sources


Year filed 1907
Year granted 1908
Office CH
Patent number 41856
Inventors Antoine-Padoue Filippi
Inventor country FR
Inventor location
Applicant person Antoine-Padoue Filippi
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Hélice d'ascension pour appareils destinés à s'élever ou à se soutenir dans l'air
English title Propeller to raise or sustain apparatus in the air
Tech fields propeller, texture, airfoil, subsystem
Filing date 1907-09-19
Full specification filed date
Application number
Grant date 1908-12-01
Granted? 1
Publication date 1908-12-01
Supplementary to patent Patent FR-1906-369937
Related to aircraft? 1
Serial number
Patent agent H. Kirchhofer
Assigned to
National tech categories CH 129b
IPCs
CPCs
Family year 1907
First filing? 1
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages 1
Number of figures 3
Number of claims 2