Patent FR-1912-442539
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Sources
- Original patent document and bibliography entry on espacenet
- on google patents
- Inventor location: England
Year filed | 1912 |
---|---|
Year granted | 1912 |
Office | FR |
Patent number | 442539 |
Inventors | Belton Tattnall Hamilton |
Inventor country | GB |
Applicant person | Belton Tattnall Hamilton |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Perfectionnements aux hélices |
English title | Improvements to propellers |
Tech fields | propellers, aerodynamics, design, incidence |
Filing date | 1912/04/13 |
Full specification filed date | |
Application number | 442539D |
Grant date | 1912/06/22 |
Granted? | Yes |
Publication date | 1912/09/03 |
Supplementary to patent | |
Related to aircraft? | Yes |
Serial number | |
Patent agent | E. Blétry |
Assigned to | |
National tech categories | FR 6.4 |
IPCs | IPC B64C11/18 |
CPCs | CPC B64C11/18 |
Family year | 1912 |
First filing? | No |
Cites these patents | |
Citations from after 1930 | |
Application ID | 19260965 |
INPADOC family ID | 5331307 |
Number of text pages | 3 |
Number of diagram pages | 1 |
Number of figures | 7 |
Number of claims | 4 |