Patent FR-1908-398707
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This may not be so rare, but here we have another case in which antique French patent classification, between parent brevet, and addition, are identical, while retroactive IPC and CPC classification vary.
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: département Seine, France
Patent family descending from Patent FR-1908-398707
- Patent FR-1908-398707 (English title: Airplane carrying surface, National tech categories: FR 6.4)
- Patent FR-1909-398707.11855 (English title: Airplane carrying surface, Supplementary to patent: Patent FR-1908-398707, National tech categories: FR 6.4)
| Year filed | 1908 |
|---|---|
| Year granted | 1909 |
| Office | FR |
| Patent number | 398707 |
| Inventors | Paul-Louis-Maurice Caron |
| Inventor country | FR |
| Applicant person | Paul-Louis-Maurice Caron |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Surface portante pour aéroplane |
| English title | Airplane carrying surface |
| Tech fields | Airplane, Design, Wings, Aerodynamics, Lift, Sustentation |
| Filing date | 1908/03/30 |
| Full specification filed date | |
| Application number | 398707D |
| Grant date | 1909/03/31 |
| Granted? | Yes |
| Publication date | 1909/06/12 |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | R. Williams |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC B64C3/54 |
| CPCs | CPC B64C3/54 |
| Family year | 1908 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 19218078 |
| INPADOC family ID | 5196778 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 4 |
| Number of claims | 3 |
