US3457890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concrete liquefied gas vessel
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1967-10-23
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Granted: 1969-07-29
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Expires: 1987-10-23
Abstract
No abstract record available.
Inventors
- 👤 Alberto Q Rivas
- 👤 Laurence R Parker
- 👤 Terrell M Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:24
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/025; B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; B63B25/12; B63B25/16; B63B5/00; B63B5/14; F17C2203/00; F17C2203/06; F17C2203/0634; F17C2203/0678; Y; Y10; Y10S; Y10S220/00; Y10S220/901; Y10S220/918
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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |