US2543653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquefied fuel tank safety means
Assignee: Compagnie Francaise de Raffinage SA
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Filing: 1946-06-10
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Granted: 1951-02-27
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Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 Woog Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:59
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/12; F02; F02M; F02M21/00; F17C9/00; F02M2700/00; F02M2700/12; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/04; F17C2260/042; F17C2265/00; F17C2265/02; F17C2265/025; F17C2265/03; F17C2265/031; F17C2270/00; F17C2270/07; F17C2270/0763; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2516; Y10T137/8593; Y10T137/86292; Y10T137/86324
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2248308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |