Patent FR-1907-392394

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Patent family descending from Patent FR-1907-392394

As a note on patent classification, both contemporaneous to the invention and as subsequently applied, this patent along with its additions were given the designation FR 6.4, solidly aero, though the further applicability of this invention to windmills is made quite explicit on the original documents. In terms of a posteriori IPC and CPC classification, this parent patent is given classification non-exclusive to aeronautics and aviation, whereas the additions, Patent FR-1908-392994.10823 and Patent FR-1911-392394.15376, are given IPC B64C39/00 and CPC B64C39/003, in the case of the first addition, and IPC B64C27/04 and CPC B64C27/04, in the case of the second addition, which are well within aero-classification with which we are familiar. CPC B64C2700/6281 was also applied within Espacenet, though this has been edited out.


Year filed 1907
Year granted 1908
Office FR
Patent number 392394
Inventors Edmond Bénel
Inventor country FR
Applicant person Edmond Bénel
Applicant firm
Applicant type INDIV
Applicant is inventor? Yes
Original title Aile rotative s'appliquant aux machines volantes et aux moulins à vent
English title Rotating wing applying to flying machines and windmills
Tech fields propellers, wings, propulsion
Filing date 1907/09/23
Full specification filed date
Application number 392394D
Grant date 1908/09/24
Granted? Yes
Publication date 1908/11/25
Supplementary to patent
Related to aircraft? Yes
Serial number
Patent agent
Assigned to
National tech categories FR 6.4
IPCs IPC F03D3/06
CPCs CPC F03D3/068, CPC F05B2260/72, CPC Y02E10/74
Family year 1907
First filing? Yes
Cites these patents
Citations from after 1930
Application ID 19211884
INPADOC family ID 5195695
Number of text pages 3
Number of diagram pages 1
Number of figures 5
Number of claims 3