Patent FR-1913-457519
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- Tech class: CPC B64C27/33: Rotors having flexing arms; CPC B64C27/473: Constructional features; CPC B64C27/48: Root attachment to rotor head
- Inventor location:
Patent family descending from Patent FR-1913-457519
- Patent FR-1913-457519 (English title: Propeller for aircraft and airships, National tech categories: FR 6.4)
- Patent GB-1913-11477 (English title: Improvements in Screw and like Propellers for Air-craft, Supplementary to patent: Patent FR-1913-457519)
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1913 |
|---|---|
| Year granted | 1913 |
| Office | FR |
| Patent number | 457519 |
| Inventors | Jakob Kreitmayer |
| Inventor country | DE |
| Applicant person | Jakob Kreitmayer |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Hélice pour appareils d'aviation et dirigeables |
| English title | Propeller for aircraft and airships |
| Tech fields | aerial propeller |
| Filing date | 1913-05-06 |
| Full specification filed date | |
| Application number | 457519D |
| Grant date | 1913-07-12 |
| Granted? | 1 |
| Publication date | 1913-09-19 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | L. Chassevent |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C27/48, IPC B64C27/473, IPC B64C27/33 |
| CPCs | CPC B64C27/48, CPC B64C27/473, CPC B64C27/33 |
| Family year | 1913 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 19275593 |
| INPADOC family ID | 5343921 |
| Number of text pages | 4 |
| Number of diagram pages | 1 |
| Number of figures | 6 |
| Number of claims | 4 |
