Patent US-1911-1078270

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Year filed 1911
Year granted 1913
Office US
Patent number 1078270
Inventors Antoine-Padoue Filippi
Inventor country FR
Applicant person Antoine-Padoue Filippi
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Screw-propeller
English title Screw-propeller
Tech fields propeller
Filing date March 24, 1911
Full specification filed date
Application number
Grant date November 11, 1913
Granted? Yes
Publication date
Supplementary to patent
Related to aircraft? Yes
Serial number 616712
Patent agent
Assigned to
National tech categories USPC 416/234
IPCs
CPCs CPC B63H1/26, CPC F04D29/384, CPC B63B2745/00
Family year 1911
First filing? No
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages 2
Number of figures 9
Number of claims 1