US2758377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Navigation instrument
Assignee: Office National d'Études et de Recherches Aérospatiales
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Filing: 1952-11-12
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Granted: 1956-08-14
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Expires: 1972-11-12
Abstract
No abstract record available.
Inventors
- 👤 Claret Rene
- 👤 Bouzitat Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:56
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/1278; F; F41; F41G; F41G7/00; F41G7/34; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/785; G01S3/786; G01S3/7867
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |