Patent FR-1912-442088
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This patent text includes Template:Math
- Tech class: CPC G01C21/02: Navigation; Navigational instruments not provided for ... by astronomical means; CPC E21B33/138: Plastering the borehole wall; Injecting into the formation
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | |
|---|---|
| Year granted | |
| Office | [[]] |
| Patent number | |
| Inventors | |
| Inventor country | |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Compas de point pour voyage aérien |
| English title | Point compass for air travel |
| Tech fields | |
| Filing date | 1912-03-19 |
| Full specification filed date | |
| Application number | |
| Grant date | 1912-06-12 |
| Granted? | 1 |
| Publication date | 1912-08-23 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | E. Blétry |
| Assigned to | |
| National tech categories | FR 6.4 |
| IPCs | IPC E21B33/138, IPC G01C21/02 |
| CPCs | CPC E21B33/138, CPC G01C21/02 |
| Family year | |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 3 |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 1 |
