Patent FR-1911-440594
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Helicopter. Propulsion following the principle of the "éolipyle" (i.e. jet?)
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: département Seine, France
Patent family descending from Patent FR-1911-440594
- Patent FR-1911-440594 (English title: Helicopter, National tech categories: FR 6.4)
- Patent US-1912-1133660 (English title: Helicopter, Supplementary to patent: Patent FR-1911-440594, National tech categories: USPC 244/17.11)
- Patent AT-1912-63082 (English title: Screw flyer, Supplementary to patent: Patent FR-1911-440594, National tech categories: AT 77d)
- Patent GB-1912-10633 (English title: Improvements in Helicopters, Supplementary to patent: Patent FR-1911-440594)
Year filed | 1911 |
---|---|
Year granted | 1912 |
Office | FR |
Patent number | 440594 |
Inventors | Alphonse Papin, Didier Rouilly |
Inventor country | FR |
Applicant person | Alphonse Papin, Didier Rouilly |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Hélicoptère |
English title | Helicopter |
Tech fields | helicopter, propulsion, jet |
Filing date | 1911-05-06 |
Full specification filed date | |
Application number | 440594D |
Grant date | 1912-05-07 |
Granted? | 1 |
Publication date | 1912-07-13 |
Supplementary to patent | |
Related to aircraft? | 1 |
Serial number | |
Patent agent | Lavoix et Mosès |
Assigned to | |
National tech categories | FR 6.4 |
IPCs | IPC B64C27/18 |
CPCs | CPC B64C27/18 |
Family year | 1911 |
First filing? | 0 |
Cites these patents | |
Citations from after 1930 | |
Application ID | 19259055 |
INPADOC family ID | 5329731 |
Number of text pages | 8 |
Number of diagram pages | 2 |
Number of figures | 21 |
Number of claims | 4 |
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