Patent FR-1907-382542

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Year filed 1907
Year granted 1907
Office FR
Patent number 382542
Inventors Erik Emanuel Lindkvist
Inventor country SE
Applicant person
Applicant firm
Applicant type INDIV
Applicant is inventor? 1
Original title Propulseur pour navires, aéroplanes et autres
English title Propeller for boats, airplanes, and other [vessels]
Tech fields propeller, propulsion, paddles, marine
Filing date 1907-07-18
Full specification filed date
Application number
Grant date 1907-12-11
Granted? 1
Publication date 1908-02-10
Supplementary to patent
Related to aircraft? -1
Serial number
Patent agent Robert Gentizon
Assigned to
National tech categories FR 6.2
IPCs IPC B63H1/04
CPCs CPC B63H1/08, CPC B63H5/02
Family year
First filing?
Cites these patents
Citations from after 1930
Application ID
INPADOC family ID
Number of text pages 2
Number of diagram pages 3
Number of figures 5
Number of claims 2