Patent US-1911-1025658
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No priority date reference is made on this original document. However, it is clearly in the family of Patent FR-1910-423792, and seemingly in the vein of that brevet's 1st addition, Patent FR-1911-423792.14664.
- Inventor location: rue Littré, 17, Paris, the Seine département of France
- Witnesses as shown on the final text page: Georges Villebesseux and Charles Meunier
Sources
- Patent 1025658 document and bibliographic info on espacenet
- Patent 1025658 at google patents
Year filed | 1911 |
---|---|
Year granted | 1912 |
Office | US |
Patent number | 1025658 |
Inventors | André-Julien Mahoudeau |
Inventor country | US |
Applicant person | André-Julien Mahoudeau dit de Villethiou |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | SCREW-PROPELLER WITH OPEN CENTER |
English title | Propeller with open center |
Tech fields | Propellers, Propulsion, Design, Subsystem |
Filing date | 1911/09/14 |
Full specification filed date | |
Application number | 423792D |
Grant date | 1912-05-07 |
Granted? | Yes |
Publication date | 1912-05-07 |
Supplementary to patent | Patent FR-1910-423792, Patent FR-1911-423792.14664 |
Related to aircraft? | Yes |
Serial number | 649364 |
Patent agent | |
Assigned to | |
National tech categories | |
IPCs | |
CPCs | CPC F04D29/281 |
Family year | 1910 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | 0 |
Application ID | 19242608 |
INPADOC family ID | 5199040 |
Number of text pages | 2 |
Number of diagram pages | 1 |
Number of figures | 3 |
Number of claims | 2 |