Patent FR-1910-423792
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- Tech class: CPC B64C11/04: Blade mountings
- Inventor location: rue Littré, 17, Paris, the Seine département of France
Patent family descending from Patent FR-1910-423792
- Patent FR-1910-423792 (English title: Propeller with free center, National tech categories: FR 6.2)
- Patent NO-1912-22350 (English title: Device for drive screws and the like, Supplementary to patent: Patent FR-1910-423792, National tech categories: FR 6.2)
- Patent DE-1911-248770 (English title: Screw for aircraft and watercraft, the wings of which are attached to a ring, Supplementary to patent: Patent FR-1910-423792, National tech categories: DE 77h.6)
- Patent FR-1911-423792.14664 (English title: Free center propeller, Supplementary to patent: Patent FR-1910-423792, National tech categories: FR 6.2)
- Patent GB-1911-18854 (English title: Improvements in propellers, Supplementary to patent: Patent FR-1910-423792)
- Patent US-1911-1025658 (English title: Propeller with open center, Supplementary to patent: Patent FR-1910-423792 • Patent FR-1911-423792.14664)
- Patent ES-1911-51924 (English title: Propeller with free center, Supplementary to patent: Patent FR-1910-423792)
- Patent FR-1912-423792.16610 (English title: Propeller with free center, Supplementary to patent: Patent FR-1910-423792, National tech categories: FR 6.2)
- Patent FR-1913-423792.17303 (English title: Propeller with free center, Supplementary to patent: Patent FR-1910-423792, National tech categories: FR 6.2)
- Patent FR-1913-423792.18642 (English title: Propeller with free center, Supplementary to patent: Patent FR-1910-423792, National tech categories: FR 6.2)
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
Year filed | 1910 |
---|---|
Year granted | 1911 |
Office | FR |
Patent number | 423792 |
Inventors | André-Julien Mahoudeau |
Inventor country | FR |
Applicant person | André-Julien Mahoudeau dit de Villethiou |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Hélice à centre libre |
English title | Propeller with free center |
Tech fields | Propellers, Propulsion, Design, Subsystem |
Filing date | 1910/12/17 |
Full specification filed date | |
Application number | 423792D |
Grant date | 1911/02/24 |
Granted? | Yes |
Publication date | 1911/04/26 |
Supplementary to patent | |
Related to aircraft? | Yes |
Serial number | |
Patent agent | |
Assigned to | |
National tech categories | FR 6.2 |
IPCs | IPC B64C11/04 |
CPCs | CPC B64C11/04 |
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 | 2 |
Number of claims | 1 |