Patent US-1902-1050980
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Compact helicopter design promoted as especially stable, navigable by change in the center of gravity; oppositely rotating propellers; patent written in somewhat more literary prose than is typical of this era; some good illustrations too
- Tech class: CPC B64C27/82: Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
- Inventor location: Passaic, Passaic county, NJ (FIPSloc=34031, imputed by HistPat)
- Took a long long time to get grant. Why?
- Note that this patent was administratively delayed for an unusually long time.
- Uses the term "aerodrome" to mean the aircraft ; more commonly, aerodrome meant a hangar or airport.
Sources
- Patent 1050980 document and bibliographic info on espacenet
- Patent 1050980 at google patents
| Year filed | 1902 |
|---|---|
| Year granted | 1913 |
| Office | US |
| Patent number | 1050980 |
| Inventors | Samuel Dimmick Mott |
| Inventor country | US |
| Applicant person | Samuel Dimmick Mott |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Aerodrome |
| English title | Aerodrome |
| Tech fields | helicopter, propeller, stability, wheels, frame, brakes, navigation |
| Filing date | 1902-09-30 |
| Full specification filed date | |
| Application number | 1902125376 |
| Grant date | 1913-01-21 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 125376 |
| Patent agent | None |
| Assigned to | |
| National tech categories | USPC 244/122R |
| IPCs | |
| CPCs | CPC B64C27/82 |
| Family year | 1902 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 2 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 5 |
| Number of figures | 5 |
| Number of claims | 5 |
