Patent US-1912-1050530
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Airplane wing with two sides: lower side concave, upper side at first convex and then sloping to form a point at the end.
Sources
- Patent 1050530 document and bibliographic info on espacenet
- Patent 1050530 at google patents
- Inventor location: Richmond, Contra Costa county, CA
- Witnesses as shown on the final text page: John H. Herring and Genevieve S. Donelin
- Witnesses as shown on the final diagram page: F. E. Maynard and Frances V.(?) Cole]
| Year filed | 1912 |
|---|---|
| Year granted | 1913 |
| Office | US |
| Patent number | 1050530 |
| Inventors | Johan Richard Froberg |
| Inventor country | US |
| Applicant person | Johan Richard Froberg |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Aeroplane-blade construction |
| English title | Aeroplane-blade construction |
| Tech fields | airplane, airfoil, construction, design, wings |
| Filing date | 1912/06/25 |
| Full specification filed date | |
| Application number | 1912705741 |
| Grant date | 1913/01/14 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | 705741 |
| Patent agent | G. H. Shong |
| Assigned to | |
| National tech categories | USPC 244/124 |
| IPCs | |
| CPCs | CPC B64C3/00 |
| Family year | 1912 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 47558201 |
| INPADOC family ID | 44006669 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 4 |
| Number of claims |
