Patent US-1917-1273950
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- Tech classes: 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; CPC Y10T74/19014 Plural prime movers selectively coupled to common output
- Inventor location: Beaver Dam, Dodge county, Wisconsin, US
Sources
- Patent 1273950 document and bibliographic info on espacenet
- Patent 1273950 at google patents
| Year filed | 1917 |
|---|---|
| Year granted | 1918 |
| Office | US |
| Patent number | 1273950 |
| Inventors | Robert F. J. Teltzrow |
| Inventor country | US |
| Applicant person | Robert F. J. Teltzrow |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Flying-machine |
| English title | Flying-machine |
| Tech fields | |
| Filing date | 1917-06-22 |
| Full specification filed date | |
| Application number | 17643317 |
| Grant date | 1918-07-30 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | 176433 |
| Patent agent | Morsell, Keeney & French? |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC Y10T74/19014, CPC B64C27/82 |
| Family year | 1917 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 5 |
| Application ID | 47947126 |
| INPADOC family ID | 43478213 |
| Number of text pages | 2 |
| Number of diagram pages | 2 |
| Number of figures | 5 |
| Number of claims | 2 |
