Patent FR-1909-398288
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- Inventor location:
Sources
- Original patent document and bibliography entry on espacenet
| Year filed | 1909 |
|---|---|
| Year granted | 1909 |
| Office | FR |
| Patent number | 398288 |
| Inventors | George Alphonzo Metcalf |
| Inventor country | US |
| Applicant person | George Alphonzo Metcalf |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Appareil hélicoptère pour la navigation aérienne |
| English title | Aerial helicopter |
| Tech fields | helicopter |
| Filing date | 1909-01-05 |
| Full specification filed date | |
| Application number | 398288D |
| Grant date | 1909-03-20 |
| Granted? | 1 |
| Publication date | 1909-06-01 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Brandon freres |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C27/04 |
| CPCs | CPC B64C2700/6281, CPC B64C27/52, CPC B64C27/04 |
| Family year | 1909 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19217666 |
| INPADOC family ID | 5296105 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 5 |
| Number of claims | 2 |
