Patent US-1865-50714
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hollow wing screw propeller
Supplementary to another patent issued to Fritz, 1865-01-24
Inventor location (imputed by HistPat): New York, New York county, NY (FIPSloc=36061)
Sources
- Patent 50714 document and bibliographic info on espacenet
- Patent 50714 at google patents
| Year filed | |
|---|---|
| Year granted | 1865 |
| Office | US |
| Patent number | 50714 |
| Inventors | Fritz Jacob |
| Inventor country | US |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | Improved propeller |
| English title | Improved propeller |
| Tech fields | propulsion, propeller |
| Filing date | 1865-10-31 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0.5 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | USPC 416/227R, USPC 244/65, USPC 416/227A, USPC 416/235 |
| IPCs | |
| CPCs | CPC A47J43/0711, CPC F05B2210/16 |
| Family year | 1865 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
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