Patent US-1904-817728
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- Inventor location (imputed by HistPat): St. Joseph county, MI (FIPSloc=26149) ; the original document has simply St. Joseph county, MI, whereas American original patent documents generally have both a city or town and a county. Spaulding assigns patent rights to Hull, who shares the same location.
- Witnesses as shown on the final text page: Louis S. Schulz and Frank L. Pixley
Sources
- Patent 817728 document and bibliographic info on espacenet
- Patent 817728 at google patents
| Year filed | 1904 |
|---|---|
| Year granted | 1906 |
| Office | US |
| Patent number | 817728 |
| Inventors | Frank M. Spaulding |
| Inventor country | US |
| Inventor location | |
| Applicant person | William H. Hull |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | No |
| Original title | REVERSIBLE PROPELLER-WHEEL |
| English title | Reversible propeller-wheel |
| Tech fields | propulsion, propellers |
| Filing date | 1904/03/16 |
| Full specification filed date | |
| Application number | 1904198398 |
| Grant date | 1906/04/10 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0.5 |
| Serial number | |
| Patent agent | Bulkey & Durand |
| Assigned to | William H. Hull |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C11/36 |
| Family year | 1904 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 46964298 |
| INPADOC family ID | 43712943 |
| Number of text pages | 3 |
| Number of diagram pages | 2 |
| Number of figures | 7 |
| Number of claims | 9 |
