Patent DE-1880-13770
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Apparently unrelated to aero purposes, but Otto Lilienthal was involved.
- Notes at Lilienthal museum say this patent was nullified by the Imperial Court of October 1, 1887. 'Suspended 25/05/1881, turned to legal dispute with Lilienthal out not patent-able'
- Inventor location: Rudolstadt ; (Dr. )
Sources
- Archive record of this patent at Lilienthal museum patents
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
| Year filed | 1880 |
|---|---|
| Year granted | 1881 |
| Office | DE |
| Patent number | 13770 |
| Inventors | Friedrich Adolph Richter |
| Inventor country | DE |
| Applicant person | Friedrich Adolph Richter |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Verfahren zur Herstellung von künstlichen Steinen |
| English title | Process for producing artificial stones |
| Tech fields | |
| Filing date | 1880-10-08 |
| Full specification filed date | |
| Application number | |
| Grant date | 1881-05-25 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 0 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | DE 80 |
| IPCs | IPC B23Q11/08, IPC C04B26/00 |
| CPCs | CPC B23Q11/08, CPC C04B26/00 |
| Family year | 1881 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 1 |
| Number of diagram pages | 0 |
| Number of figures | 0 |
| Number of claims | 1 |
