Patent US-1870-109673
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Propeller, probably for marine not aerial purposes although it does not specify marine.
- Inventor location: Williamsburg, Kings county, NY (FIPSloc=36047, imputed by HistPat)
- Patent doc says inventor signed it Oct 1, 1870. We have no other filing date, so we'll use that.
- Patent attorneys might be Munn Co.; it's signed on the diagrams.
Tech classes:
- CPC B64C11/00: Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
- CPC F01D5/06: Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
Sources
- Patent 109673 document and bibliographic info on espacenet
- Patent 109673 at google patents
Year filed | 1870 |
---|---|
Year granted | 1870 |
Office | US |
Patent number | 109673 |
Inventors | James Salter |
Inventor country | US |
Applicant person | James Salter |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Improvement in propellers |
English title | Improvement in propellers |
Tech fields | propellers |
Filing date | 1870-10-01 |
Full specification filed date | |
Application number | |
Grant date | 1870-11-29 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | .5 |
Serial number | |
Patent agent | |
Assigned to | |
National tech categories | USPC 416/194 |
IPCs | |
CPCs | CPC B64C11/00, CPC F01D5/06 |
Family year | 1870 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | |
Application ID | 45743802 |
INPADOC family ID | |
Number of text pages | 1 |
Number of diagram pages | 1 |
Number of figures | 2 |
Number of claims | 1 |