Patent US-1908-940866
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| Year filed | 1908 |
|---|---|
| Year granted | 1909 |
| Office | US |
| Patent number | 940866 |
| Inventors | Albert H. FRIEDEL |
| Inventor country | US |
| Inventor location | |
| Applicant person | FRIEDEL ALBERT HUGO |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Flying-machine |
| English title | Flying-machine |
| Tech fields | propulsion |
| Filing date | navigation |
| Full specification filed date | aerodynamics |
| Application number | stability |
| Grant date | 1908-05-19 |
| Granted? | |
| Publication date | 1908433713 |
| Supplementary to patent | 1909-11-23 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | 1 |
| National tech categories | 433713 |
| IPCs | |
| CPCs | |
| Family year | USPC 244/20 |
| First filing? | B64C39/005 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 1 |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | 47247098 |
| Number of figures | 43857395 |
| Number of claims |
Sources
- Short's DB
- PTO 244; Neilson espacenet propeller wheel with flexible blades, which expand on downstroke and contract on upstroke; adjustable position; multiple smaller concave aeroplanes next to primary wings Inventor location (imputed): Baltimore, MD, Baltimore county, MD (FIPSloc=24510)
