Patent US-1918-1264712
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Probably this applicant/assignee is the same as Benjamin F. Seymour, Jr. who is a patentee of other patents.
Tweed and Seymour were in Denver.
Classes:
- B64C27/00 Rotorcraft; Rotors peculiar thereto
- 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
Sources
- Patent 1264712 document and bibliographic info on espacenet
- Patent 1264712 at google patents
| Year filed | 1917 |
|---|---|
| Year granted | 1918 |
| Office | US |
| Patent number | 1264712 |
| Inventors | Howard P Tweed |
| Inventor country | US |
| Applicant person | Benjamin F. Seymour |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | No |
| Original title | Aerial apparatus |
| English title | Lifting propellers |
| Tech fields | helicopter, propellers |
| Filing date | September 29, 1917 |
| Full specification filed date | |
| Application number | 19408417 |
| Grant date | April 30, 1918 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B64C27/82 |
| Family year | 1917 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 47930629 |
| INPADOC family ID | 44113686 |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
