Patent FR-1918-501550.22503
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Parent patent dated 22 fev 1916. This is the 3rd addition.
- 68, avenue des Gobelins, Paris
Patent family descending from Patent FR-1916-501550
- Patent FR-1916-501550 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, National tech categories: FR 12.2)
- Patent FR-1916-501550.22236 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Supplementary to patent: Patent FR-1916-501550, National tech categories: FR 12.2)
- Patent FR-1917-501550.22502 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Supplementary to patent: Patent FR-1916-501550, National tech categories: FR 12.2)
- Patent FR-1918-501550.22503 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Supplementary to patent: Patent FR-1916-501550, National tech categories: FR 12.2)
- Patent FR-1918-501550.22504 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Supplementary to patent: Patent FR-1916-501550, National tech categories: FR 12.2)
- Patent FR-1918-501550.22505 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Supplementary to patent: Patent FR-1916-501550, National tech categories: FR 12.2)
- Patent FR-1919-501550.22578 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Supplementary to patent: Patent FR-1916-501550, National tech categories: FR 12.2)
- Patent FR-1920-501550.23513 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Supplementary to patent: Patent FR-1916-501550, National tech categories: FR 12.2)
- Patent FR-1921-501550.24794 (English title: Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source, Supplementary to patent: Patent FR-1916-501550, National tech categories: FR 12.2)
Sources
- Original patent document and bibliography entry on espacenet
- google patents
| Year filed | 1918 |
|---|---|
| Year granted | 1921 |
| Office | FR |
| Patent number | 22503 |
| Inventors | Pierre Le Goaziou |
| Inventor country | FR |
| Applicant person | Pierre Le Goaziou |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Appareils pour découvrir l'approche et repérer la direction d'une source sonore sous-marine ou aérienne |
| English title | Apparatus for discovering the approach and locating the direction of an underwater or aerial sound source |
| Tech fields | sensors |
| Filing date | 1918-11-04 |
| Full specification filed date | |
| Application number | |
| Grant date | 1921-01-28 |
| Granted? | 1 |
| Publication date | 1921-07-23 |
| Supplementary to patent | Patent FR-1916-501550 |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | None |
| Assigned to | |
| National tech categories | FR 12.2 |
| IPCs | IPC G01S1/72 |
| CPCs | CPC G01S1/72 |
| Family year | 1916 |
| First filing? | 0 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 0 |
| Number of figures | 0 |
| Number of claims | 1 |
