Patent US-1903-723636
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Multiple small propellers; two at the top rotate in reverse directions (w/ appropriately reversed blades); mast with propeller belt passes through center of balloon
Inventor location (imputed by HistPat): St Louis, St. Louis county, MO (FIPSloc=29510)
Sources
- Patent 723636 document and bibliographic info on espacenet
- Patent 723636 at google patents
- Short's DB
| Year filed | 1902 |
|---|---|
| Year granted | 1903 |
| Office | US |
| Patent number | 723636 |
| Inventors | John Berry |
| Inventor country | US |
| Applicant person | John Berry |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Air-ship |
| English title | Airship |
| Tech fields | LTA, propulsion, frame |
| Filing date | March 3, 1902 |
| Full specification filed date | |
| Application number | 1902096432 |
| Grant date | March 24, 1903 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | 96432 |
| Patent agent | |
| Assigned to | |
| National tech categories | USPC 244/26 |
| IPCs | IPC B64B1/00 |
| CPCs | CPC B64B1/00 |
| Family year | 1902 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 46798093 |
| INPADOC family ID | 43652164 |
| Number of text pages | 3 |
| Number of diagram pages | 2 |
| Number of figures | 4 |
| Number of claims | 5 |
