Patent US-1869-97100
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The Avitor. Primarily a steam-powered airplane, with added LTA bubbles. Two-bladed propellers. Inventor Frederick Marriott created a prototype which made two tethered test flights in 1869. LTA gas not sufficient to raise the plane; it takes off after the propellers are running.
Sources
Inventor location (imputed by HistPat): San Francisco, San Francisco county, CA (FIPSloc=6075)
Year filed | |
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Year granted | 1869 |
Office | US |
Patent number | 97100 |
Inventors | Frederick MARRIOTT |
Inventor country | US |
Applicant person | |
Applicant firm | |
Applicant type | |
Applicant is inventor? | Yes |
Original title | Improvement in aerial steam cars |
English title | Aerial steam car |
Tech fields | airplane, propulsion, propeller, LTA, takeoff |
Filing date | |
Full specification filed date | |
Application number | |
Grant date | 1869/11/23 |
Granted? | Yes |
Publication date | |
Supplementary to patent | |
Related to aircraft? | Yes |
Serial number | |
Patent agent | |
Assigned to | |
National tech categories | USPC 244/53R |
IPCs | |
CPCs | CPC B64D33/04 |
Family year | |
First filing? | No |
Cites these patents | |
Citations from after 1930 | |
Application ID | |
INPADOC family ID | |
Number of text pages | 2 |
Number of diagram pages | 1 |
Number of figures | 3 |
Number of claims | 5 |