Patent AT-1913-68090
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It would be of interest if this Albert Hirth is the same as that we have only as the father of Hellmuth Hirth, who worked very extensively on propellers.
Sources
- Original patent document and bibliography entry on espacenet
- Inventor location: Cannstatt-Stuttgart
| Year filed | 1913 |
|---|---|
| Year granted | 1914 |
| Office | AT |
| Patent number | 68090 |
| Inventors | Albert Hirth |
| Inventor country | DE |
| Applicant person | Albert Hirth |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Propeller mit verstellbaren Flügeln |
| English title | Propeller with adjustable blades |
| Tech fields | Propellers, Airplane |
| Filing date | 1913/11/27 |
| Full specification filed date | |
| Application number | |
| Grant date | 1914/08/01 |
| Granted? | 1 |
| Publication date | 1915/03/10 |
| Supplementary to patent | Patent DE-1912-12-23-Albert Hirth |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | AT 77d |
| IPCs | |
| CPCs | |
| Family year | 1912 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 4 |
| Number of claims | 2 |
