Patent US-1922-1406600
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Propeller-hub construction: Addresses issue of propeller strain from torque at hub by adding reinforcement with wood-grain at a right angle to the grain of the propeller.
Sources list the Applicant as "OURTISS AEROPLANE" but from the document itself, it's Curtiss Aeroplane Co.[1][2][3]
- Inventor location (imputed from HistPat): New York county, NY (FIPSloc=36061)
Sources
| Year filed | 1916 |
|---|---|
| Year granted | 1922 |
| Office | US |
| Patent number | 1406600 |
| Inventors | Albert Francis Zahm |
| Inventor country | |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | Yes |
| Original title | Propeller-hub construction |
| English title | Propeller-hub construction |
| Tech fields | propeller, propulsion, safety |
| Filing date | October 13, 1916 |
| Full specification filed date | |
| Application number | 12541116 |
| Grant date | February 14, 1922 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | 12541116 |
| Patent agent | |
| Assigned to | Curtiss Aeroplane & Motor Corp |
| National tech categories | |
| IPCs | [[IPC B64C11/04]] |
| CPCs | CPC B64C11/04 |
| Family year | 1916 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 47911671 |
| INPADOC family ID | 43148480 |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 5 |
| Number of claims | 7 |
