Patent US-1868-77557
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- Tech class CPC B64C11/36: Blade pitch-changing mechanisms mechanical non-automatic
- Inventor location: Freeborn, Freeborn county, Minnesota, US (FIPSloc=27047) (imputed by HistPat)
Sources
- Patent 77557 document and bibliographic info on espacenet
- Patent 77557 at google patents
| Year filed | 1868 |
|---|---|
| Year granted | 1868 |
| Office | US |
| Patent number | 77557 |
| Inventors | John A. Wheeler |
| Inventor country | US |
| Inventor location | Freeborn, MN, Freeborn county, MN, Minnesota |
| Applicant person | John A. Wheeler |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Improvement in windmills |
| English title | Improvement in windmills |
| Tech fields | windmill |
| Filing date | 1868-02-25 |
| Full specification filed date | |
| Application number | |
| Grant date | 1868-05-05 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0 |
| Serial number | |
| Patent agent | Munn & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C11/36 |
| Family year | 1868 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 45526985 |
| INPADOC family ID | |
| Number of text pages | 1 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 2 |
