Patent FR-1909-406111
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Matches Patent AT-1909-52241 and Patent GB-1909-18578.
- Inventor location:USA
- Agent: Petiau? The image is a little flaky at the end and we don't have this agent recorded already.
Sources
- Original patent document and bibliography entry on espacenet
- Patent FR406111A on google patents
| Year filed | 1909 |
|---|---|
| Year granted | 1909 |
| Office | FR |
| Patent number | 406111 |
| Inventors | Spencer Heath |
| Inventor country | US |
| Inventor location | |
| Applicant person | Spencer Heath |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Perfectionnements aux hélices de propulsion et méthode de fabrication de ces hélices |
| English title | Propellers and method of constructing them |
| Tech fields | propeller, construction |
| Filing date | 1909-08-14 |
| Full specification filed date | |
| Application number | |
| Grant date | 1909-11-30 |
| Granted? | 1 |
| Publication date | 1910-01-22 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Petiau |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B21D53/78 |
| CPCs | CPC B21D53/78 |
| Family year | |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 5 |
| Number of claims | 2 |
