US3400547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for liquefaction of natural gas and transportation by marine vessel
Assignee: Individual
•
Filing: 1967-07-20
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Granted: 1968-09-10
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Expires: 1987-07-20
Abstract
No abstract record available.
Inventors
- 👤 Virgil C Williams
- 👤 Omar H Simonds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:38
CPC Classifications
F; F25; F25J; F25J1/00; F25J1/003; F25J1/0032; F25J1/004; B; B63; B63B; B63B25/00; B63B25/02; B63B25/08; F17; F17C; F17C9/00; F17C9/02; F17C9/04; F25J1/0002; F25J1/0012; F25J1/0015; F25J1/0022; F25J1/0042; F25J1/0047; F25J1/0052; F25J1/006; F25J1/008; F25J1/0087; F25J1/02; F25J1/0203; F25J1/0204; F25J1/0221; F25J1/0223; F25J1/0224; F25J1/0243; F25J1/0279; F25J1/0292; F17C2265/00; F17C2265/05; F25J2210/00; F25J2210/06; F25J2210/40; F25J2210/42; F25J2210/62; F25J2230/00; F25J2230/08; F25J2230/20; F25J2230/30; F25J2230/40; F25J2230/42; F25J2235/00; F25J2235/42; F25J2235/60; F25J2240/00; F25J2240/02; F25J2240/12; F25J2270/00; F25J2270/14; F25J2270/16; F25J2290/00; F25J2290/62
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |