Patent US-1911-997496
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| Year filed | 1910 |
|---|---|
| Year granted | 1911 |
| Office | US |
| Patent number | 997496 |
| Inventors | John HAFELY |
| Inventor country | US |
| Applicant person | HAFELY JOHN |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Screw-propelled channeled balloon |
| English title | Screw-propelled channeled balloon |
| Tech fields | LTA |
| Filing date | balloon |
| Full specification filed date | car |
| Application number | wheels |
| Grant date | 1910-06-18 |
| Granted? | |
| Publication date | 1910568015 |
| Supplementary to patent | 1911-07-11 |
| Related to aircraft? | Yes |
| Serial number | 1911-07-11 |
| Patent agent | |
| Assigned to | 1 |
| National tech categories | FR 568015 |
| IPCs | |
| CPCs | |
| Family year | USPC 244/29 |
| First filing? | |
| Cites these patents | 1910 |
| Citations from after 1930 | |
| Application ID | 1 |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | 47467535 |
| Number of figures | 43932954 |
| Number of claims |
Sources
- Patent 997496 document and bibliographic info on espacenet
- Patent 997496 at google patents
- Inventor location (imputed by HistPat): Boston, MA, Suffolk county, MA (FIPSloc=25025)
