Patent US-1909-998844
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Sources
- Patent 998844 document and bibliographic info on espacenet
- Patent 998844 at google patents
- Inventor location: Goldfield, County of Esmerelda, State of Nevada
- Witnesses as shown on the final text page: C. E. Doyle and C. E. Preinkert
| Year filed | 1909 |
|---|---|
| Year granted | 1911 |
| Office | US |
| Patent number | 998844 |
| Inventors | Johan Richard Froberg |
| Inventor country | US |
| Inventor location | Goldfield, NV, Esmerelda county, NV, Nevada |
| Applicant person | Johan Richard Froberg |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | AIRSHIP |
| English title | AIRSHIP |
| Tech fields | airship |
| Filing date | 1909/10/04 |
| Full specification filed date | |
| Application number | 1909520803 |
| Grant date | 1911/07/25 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | 520803 |
| Patent agent | |
| Assigned to | |
| National tech categories | USPC 244/96 |
| IPCs | |
| CPCs | CPC B64B1/00 |
| Family year | 1909 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 47469817 |
| INPADOC family ID | 43907192 |
| Number of text pages | 6 |
| Number of diagram pages | 7 |
| Number of figures | 20 |
| Number of claims | 6 |
