Patent MX-1904-3954
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Smethurst had many similar patents across countries. It is clear that this one is a child of others, presumably a New Zealand one (but we have not found that yet) or the British one. The dates need to be established. The task is to fill out the patent families as best we can. For now, we'll use the working proposition that this patent is a descendant of a US one which appears to be substantively the same.
- Inventor location:
Sources
Edward Beatty, “Mexico Patent Database 1840-1910,” University of Notre Dame: doi:10.7274/R0K64G4F
Year filed | 1904 |
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Year granted | 1905 |
Office | MX |
Patent number | 3954 |
Inventors | Edward Smethurst |
Inventor country | NZ |
Applicant person | Edward Smethurst |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Medios para regular la velocidad de los buques propulsores por medio de hélices, y para maniobrar los mismos |
English title | Means to regulate the speed of the propeller vessels by means of propellers, and to maneuver them |
Tech fields | propeller |
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Full specification filed date | |
Application number | |
Grant date | 1904-8-22 |
Granted? | 1 |
Publication date | |
Supplementary to patent | Patent US-1904-793746 |
Related to aircraft? | .5 |
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National tech categories | MX F. II |
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Family year | 1904 |
First filing? | 0 |
Cites these patents | |
Citations from after 1930 | |
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