Patent DE-1921-391722
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Espacenet gives this patent the priority date 1921-12-22. We are giving it the filing date 1921-12-21, based on our notes found on patent dates, it seeming that "Patentirt im Deutschen Reiche vom" is exactly one day after the filing date. Often, we approach German patents by way international references, so the above differential is corroborated via the international relation.
Sources
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
- Inventor location: Travemünde
| Year filed | 1921 |
|---|---|
| Year granted | 1924 |
| Office | DE |
| Patent number | 391722 |
| Inventors | Ernst Heinkel |
| Inventor country | DE |
| Applicant person | Ernst Heinkel |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Endstück für hölzerne Flugzeugstreben |
| English title | End piece for wooden aircraft struts |
| Tech fields | airplane, frame |
| Filing date | 1921-12-21 |
| Full specification filed date | |
| Application number | |
| Grant date | 1924-03-14 |
| Granted? | 1 |
| Publication date | 1924-03-14 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 77h.5 |
| IPCs | IPC B64C3/18 |
| CPCs | CPC B64C3/185 |
| Family year | 1921 |
| First filing? | 1 |
| 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 | 3 |
| Number of claims | 1 |
