US2970559A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vessels for the transport of liquefied gases
Assignee: Individual
•
Filing: 1957-12-23
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Granted: 1961-02-07
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Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Leroux Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:07
CPC Classifications
F; F17; F17C; F17C1/00; F17C1/002; B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/12; B63B25/14; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/03; F17C2201/035; F17C2201/05; F17C2201/054; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/015; F17C2203/03; F17C2203/0362; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0614; F17C2203/0617; F17C2203/0634; F17C2203/0636; F17C2205/00; F17C2205/01; F17C2205/0123; F17C2205/0126; F17C2205/013; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/01; F17C2260/011; F17C2260/04; F17C2260/042; F17C2270/00; F17C2270/01; F17C2270/0102; F17C2270/0105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |