Patent FR-1917-494954
Jump to navigation
Jump to search
- Tech class CPC B64C11/205: Constructional features for protecting blades, e.g. coating
Patent family descending from Patent GB-1917-127843
- Patent GB-1917-127843 (English title: An Improved Propeller, Filing date: 1917-05-26)
Sources
- Original patent document and bibliography entry on espacenet
- Patent FR494954A on google patents
| Year filed | 1917 |
|---|---|
| Year granted | 1919 |
| Office | FR |
| Patent number | 494954 |
| Inventors | George William Springsted Jr., Charles Mccluskey Berry |
| Inventor country | US |
| Inventor location | NYC |
| Applicant person | George William Springsted Jr., Charles Mccluskey Berry |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Perfectionnements aux hélices |
| English title | Propeller refinements |
| Tech fields | propeller |
| Filing date | 1917-06-22 |
| Full specification filed date | |
| Application number | 494954D |
| Grant date | 1919-09-25 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | 1915-07-31 |
| Related to aircraft? | 1 |
| Serial number | 7638 |
| Patent agent | Hy. Fairbrother |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C11/20 |
| CPCs | CPC B64C11/205 |
| Family year | 1917 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 1 |
| Application ID | 19312115 |
| INPADOC family ID | 5375391 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 4 |
| Number of claims | 4 |
