Patent GB-1908-26289
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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.] Template:Return hereTo do
- Inventor locations and occupations: Coma: At time of provisional submission: 9 rue Brémontier, Paris ; at time of complete spec: 17 rue Carnot, Montmagny, Seine et Oise ; Doctor
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 |
| 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 |
| Filing date | 1908-12-04 |
| Full specification filed date | 1909-07-01 |
| Application number | |
| Grant date | 1909-12-06 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | Hy. Fairbrother |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | 1908 |
| First filing? | 1 |
| Cites these patents | many, see above |
| 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 |
