Difference between revisions of "Patent FR-1894-243381"
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BOPI data pertinent to Patent FR-1894-243381
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| − | [[File: | + | [[File:Borgfeldt rep par Chassevent.jpg|thumb|right|Patent FR-1894-243381|<center>[[BOPI]] data pertinent to Patent FR-1894-243381</center>]] |
=== Sources === | === Sources === | ||
* [[BOPI]] Tome 14 (1894) | * [[BOPI]] Tome 14 (1894) | ||
| − | |||
{{Patent | {{Patent | ||
| + | |Year filed=1894 | ||
|Year granted=1894 | |Year granted=1894 | ||
|Office=FR | |Office=FR | ||
| Line 13: | Line 13: | ||
|Original title=Perfectionnements dans les appareils destinés à la navigation aérienne | |Original title=Perfectionnements dans les appareils destinés à la navigation aérienne | ||
|English title=improvements in apparatus for aerial navigation | |English title=improvements in apparatus for aerial navigation | ||
| − | |Grant date= | + | |Filing date=1894 |
| + | |Grant date=1894/12/04 | ||
|Granted=Yes | |Granted=Yes | ||
| − | |||
|Patent agent=Chassevent | |Patent agent=Chassevent | ||
|National tech categories=FR 6.3 | |National tech categories=FR 6.3 | ||
Latest revision as of 21:11, 31 March 2024
Sources
- BOPI Tome 14 (1894)
| Year filed | 1894 |
|---|---|
| Year granted | 1894 |
| Office | FR |
| Patent number | 243381 |
| Inventors | Nicholas H. Borgfeldt |
| Inventor country | US |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | Yes |
| Original title | Perfectionnements dans les appareils destinés à la navigation aérienne |
| English title | improvements in apparatus for aerial navigation |
| Tech fields | |
| Filing date | 1894 |
| Full specification filed date | |
| Application number | |
| Grant date | 1894/12/04 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | |
| Serial number | |
| Patent agent | Chassevent |
| Assigned to | |
| National tech categories | FR 6.3 |
| IPCs | |
| CPCs | |
| Family year | 1894 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
