Patent US-1917-1274886
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- Tech class: CPC B64C27/16: Drive of rotors by means, e.g. propellers, mounted on rotor blades
- Inventor location: Alvina, in the county of St. Louis and State of Minnesota ; and Nurmi: Virginia, Minnesota
Sources
- Patent 1274886 document and bibliographic info on espacenet
- Patent 1274886 at google patents
| Year filed | 1917 |
|---|---|
| Year granted | 1918 |
| Office | US |
| Patent number | 1274886 |
| Inventors | August Jacobson |
| Inventor country | US |
| Inventor location | Alvina, MN, St. Louis county, MN, Minnesota |
| Applicant person | August Jacobson, Henry V. Nurmi |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Airship-propeller |
| English title | Airship-propeller |
| Tech fields | propeller, airship |
| Filing date | 1917-09-05 |
| Full specification filed date | |
| Application number | 18981917 |
| Grant date | 1918-08-06 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 189819 |
| Patent agent | Richard Alvan? |
| Assigned to | Henry V. Nurmi |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C27/16 |
| Family year | 1917 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 6 |
| Application ID | 47948813 |
| INPADOC family ID | 43561758 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 6 |
