Patent US-1876-173676
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Date on the patent doc statement by the inventor is January 24, 1876. It's recorded as having been filed on Feb 9th.
- Inventor location: Chicago, IL (FIPSloc=17031)
Patent categories:
- CPC F03D80/00 Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- CPC B64C11/346 Blade pitch-changing mechanisms actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces
- CPC Y02E10/72 Wind turbines with rotation axis in wind direction
Sources
- Patent 173676 document and bibliographic info on espacenet
- Patent 173676 at google patents
| Year filed | |
|---|---|
| Year granted | 1876 |
| Office | US |
| Patent number | 173676 |
| Inventors | Henry A. Sawyer |
| Inventor country | US |
| Inventor location | |
| Applicant person | Henry A. Sawyer |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvement in windmills |
| English title | Improvement in windmills |
| Tech fields | Windmill |
| Filing date | January 24, 1876 |
| Full specification filed date | |
| Application number | |
| Grant date | February 15, 1876 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | USPC 416/139 |
| IPCs | IPC B64C11/00 |
| CPCs | CPC F03D11/00, CPC B64C11/346, CPC Y02E10/722 |
| Family year | 1876 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 45853894 |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 5 |
| Number of claims | 6 |
