Patent US-1879-225999
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- Inventor location: Grafton, Rensselaer county, NY (FIPSloc=36083, imputed by HistPat)
- Tech class CPC B64C27/54: Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
Sources
- Patent 225999 document and bibliographic info on espacenet
- Patent 225999 at google patents
| Year filed | 1879 |
|---|---|
| Year granted | 1880 |
| Office | US |
| Patent number | 225999 |
| Inventors | Thomas Choate Pratt, Herman J. S. Lewis |
| Inventor country | US |
| Inventor location | |
| Applicant person | Thomas Choate Pratt, Herman J. S. Lewis |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Feathering paddle-wheel |
| English title | Feathering paddle-wheel |
| Tech fields | marine propulsion |
| Filing date | September 4, 1879 |
| Full specification filed date | |
| Application number | |
| Grant date | 1880-03-30 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | .5 |
| Serial number | |
| Patent agent | Munn & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C27/54 |
| Family year | 1879 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 45943829 |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 7 |
| Number of claims | 2 |
