Patent US-1838-583
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- Inventor location (imputed by HistPat): Boston, Suffolk county, MA (FIPSloc=25025)
- HistPat yr=1804 ; HistPat perceives a connection to Philadelphia
Tech cats:
- CPC B64C11/006 Paddle wheels
- CPC F05B2260/74 Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
Sources
- Patent 583 document and bibliographic info on espacenet
- Patent 583 at google patents
Year filed | 1838 |
---|---|
Year granted | 1838 |
Office | US |
Patent number | 583 |
Inventors | William Lewis, Thomas John Lewis |
Inventor country | US |
Applicant person | William Lewis, Thomas John Lewis |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | Yes |
Original title | Improvement in horizontal windmills |
English title | Improvement in horizontal windmills |
Tech fields | windmill |
Filing date | 1838 |
Full specification filed date | |
Application number | |
Grant date | January 27, 1838 |
Granted? | Yes |
Publication date | |
Supplementary to patent | |
Related to aircraft? | Partially |
Serial number | |
Patent agent | |
Assigned to | |
National tech categories | |
IPCs | |
CPCs | CPC F05B2260/74, CPC B64C11/006 |
Family year | 1838 |
First filing? | Yes |
Cites these patents | |
Citations from after 1930 | |
Application ID | 45381735 |
INPADOC family ID | |
Number of text pages | |
Number of diagram pages | |
Number of figures | |
Number of claims |