Patent US-1858-22090
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- Tech class: CPC B64C11/48: Units of two or more coaxial propellers ; CPC B63H1/12: Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- Inventor location: Eaton, Madison county, NY (FIPSloc=36053, imputed by HistPat)
- grant date is known; filing date is not, but is likely to have been in 1858 because this patent would have been quick to evaluate
- rated as unrelated to propellers ; churns are impellers of heavy liquids, different from aero, and no aero application is implied by the specification's text
Sources
- Patent 22090 document and bibliographic info on espacenet
- Patent 22090 at google patents
| Year filed | 1858 |
|---|---|
| Year granted | 1858 |
| Office | US |
| Patent number | 22090 |
| Inventors | Harry Robie, Royal V. Robie |
| Inventor country | US, US |
| Inventor location | |
| Applicant person | Harry Robie, Royal V. Robie |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Churn |
| English title | Churn |
| Tech fields | churn |
| Filing date | |
| Full specification filed date | |
| Application number | |
| Grant date | 1858-11-16 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0 |
| Serial number | |
| Patent agent | None |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C11/48, CPC B63H1/12 |
| Family year | 1858 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 1 |
| Application ID | 45425799 |
| INPADOC family ID | |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 1 |
