Patent GB-1908-26289
From google patents: "26,289. Coma, C. Dec. 4. Screw propellers.-A number of screw propellers or blades arranged on a boss are so disposed with respect to each other that they are close together and overlap as shown in Fig. 1. It is stated that by this arrangement the water is acted upon by successive blades without producing whirls. . . . [Reference has been directed under Section 7 of Patents &c. Act, 1907, to Specifications No. 1372, A.D. 1878, Nos. 1986 and 20,061, A.D. 1891, No. 3994, A.D. 1892, and No. 4509, A.D. 1907.]
This patent essentially matches Patent FR-1908-397263 and is therefore quite likely also a descendant of designee Patent BE-1907-12-11 Clément Coma. The priority date reference is found only on the French patent.
- Inventor locations and occupations: Coma: At time of provisional submission: 9 rue Brémontier, Paris, Seine ; at time of complete spec: 17 rue Carnot, Montmagny, Seine-et-Oise ; Doctor
Patent family descending from Patent BE-1907-12-11 Clément Coma
- Patent GB-1908-26289 (English title: Improvements in and relating to Screw Propellers for Marine or Aerial Navigation, Supplementary to patent: Patent BE-1907-12-11 Clément Coma • Patent FR-1908-397263)
- Patent FR-1908-397263 (English title: New propeller disposition for marine or aerial navigation, Supplementary to patent: Patent BE-1907-12-11 Clément Coma, National tech categories: FR 6.2)
- Patent ES-1908-44547 (English title: A new propeller machine for marine and aerial navigation, Supplementary to patent: Patent BE-1907-12-11 Clément Coma)
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1908 |
|---|---|
| Year granted | 1909 |
| Office | GB |
| Patent number | 26289 |
| Inventors | Clément Coma |
| Inventor country | FR |
| Inventor location | |
| Applicant person | Clément Coma |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Improvements in and relating to Screw Propellers for Marine or Aerial Navigation |
| English title | Improvements in and relating to Screw Propellers for Marine or Aerial Navigation |
| Tech fields | aerial propellers, marine propellers, propellers |
| Filing date | 1908/12/04 |
| Full specification filed date | 1909/07/01 |
| Application number | |
| Grant date | 1909/12/06 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | Patent BE-1907-12-11 Clément Coma, Patent FR-1908-397263 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Hy. Fairbrother |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | 1907 |
| First filing? | No |
| Cites these patents | Patent GB-1878-1372, Patent GB-1891-1986, Patent GB-1891-20061, Patent GB-1892-3994, Patent GB-1907-4509 |
| Citations from after 1930 | 0 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 4 |
| Number of diagram pages | 2 |
| Number of figures | 2 |
| Number of claims | 5 |
