Patent US-1865-51295
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- Tech class CPC B64C11/48: Units of two or more coaxial propellers, CPC B63H1/12: Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- Inventor location: Chicago, Cook county, IL (FIPSloc=17031) (imputed by HistPat)
Sources
- Patent 51295 document and bibliographic info on espacenet
- Patent 51295 at google patents
Year filed | 1865 |
---|---|
Year granted | 1865 |
Office | US |
Patent number | 51295 |
Inventors | Levi H. Colborn |
Inventor country | US |
Applicant person | Levi H. Colborn |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Improved screw-propeller |
English title | Improved screw-propeller |
Tech fields | propeller |
Filing date | |
Full specification filed date | |
Application number | |
Grant date | 1865-12-05 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | 1 |
Serial number | |
Patent agent | |
Assigned to | |
National tech categories | |
IPCs | |
CPCs | CPC B64C11/48, CPC B63H1/12 |
Family year | 1865 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | 2 |
Application ID | 45481958 |
INPADOC family ID | |
Number of text pages | 2 |
Number of diagram pages | 2 |
Number of figures | 2 |
Number of claims | 3 |