Difference between revisions of "Patent FR-1911-433884"
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|Original title=Improvements in display apparatus | |Original title=Improvements in display apparatus | ||
|English title=Improvements in display apparatus | |English title=Improvements in display apparatus | ||
| − | |Tech field= | + | |Tech field=Instrument; Navigation |
|Filing date=1911-09-04 | |Filing date=1911-09-04 | ||
|Application number=433884D | |Application number=433884D | ||
Revision as of 08:20, 19 April 2017
| Year filed | 1911 |
|---|---|
| Year granted | 1912 |
| Office | FR |
| Patent number | 433884 |
| Inventors | |
| Inventor country | DE |
| Inventor location | |
| Applicant person | Luft Verkehrs G.m.b.H. |
| Applicant firm | |
| Applicant type | UNIV-PRO-GOV |
| Applicant is inventor? | 0 |
| Original title | Improvements in display apparatus |
| English title | Improvements in display apparatus |
| Tech fields | |
| Filing date | 1911-09-04 |
| Full specification filed date | |
| Application number | 433884D |
| Grant date | 1912-01-18 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1? |
| Serial number | |
| Patent agent | |
| Assigned to | Luft Verkehrs G.m.b.H. |
| National tech categories | FR 6.4 |
| IPCs | B64B1/00 |
| CPCs | G09F11/29 |
| Family year | B64B1/00 |
| First filing? | G09F11/29 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 19252485 |
| Number of diagram pages | 5324240 |
| Number of figures | |
| Number of claims |
- Sources
- espacenet espacenet 1910-11-08 Inventor location (imputed):
