Patent US-1837-326
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- Paddle-wheels
- CPC categories were messed up somehow. Source data error
- HistPat yr=1801
- Inventor location (imputed by HistPat): Albany, Albany county, NY (FIPSloc=36001), Anne Arundel county, MD (FIPSloc=24003)
- Tech classes: B64C27/54 Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement, Y10S376/90 Particular material or material shapes for fission reactors
- It's possible there was a drawing or a model. The USPO investigated and reported in 1915 that they couldn't find any. The report is Finis D. Morris, chief of USPO Division E, on May 29, 1915, which is in our early aero period.
Sources
- Patent 326 document and bibliographic info on espacenet
- Patent 326 at google patents
| Year filed | |
|---|---|
| Year granted | 1837 |
| Office | US |
| Patent number | 326 |
| Inventors | William A. Douglas |
| Inventor country | US |
| Applicant person | William A. Douglas |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Mode of constructing paddle-wheels for propelling steam and other boats |
| English title | Mode of constructing paddle-wheels for propelling steam and other boats |
| Tech fields | marine, paddle-wheels |
| Filing date | July 3, 1837 |
| Full specification filed date | |
| Application number | |
| Grant date | July 31, 1837 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | .5 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC Y10S376/90, CPC B64C27/54 |
| Family year | 1837 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 4 |
| Application ID | 45381258 |
| INPADOC family ID | |
| Number of text pages | 1 |
| Number of diagram pages | 0 |
| Number of figures | 0 |
| Number of claims | 1 |
