Patent US3405530A successfully refreshed from Google Patents.
US3405530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regasification and separation of liquefied natural gas
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-09-23
•
Granted: 1968-10-15
•
Expires: 1986-09-23
Abstract
No abstract record available.
Inventors
- 👤 Richard A Denahan
- 👤 Douglas A Farmer
- 👤 Prabhakar K Pai
- 👤 David S Rehaut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:55
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/0228; F25J3/0247; F17; F17C; F17C9/00; F17C9/02; F17C9/04; F25J3/0204; F25J3/0209; F25J3/0214; F25J3/0233; F25J3/0238; F25J3/0242; F17C2265/00; F17C2265/05; F25J2200/00; F25J2200/02; F25J2200/70; F25J2200/72; F25J2210/00; F25J2210/06; F25J2215/00; F25J2215/62; F25J2215/64; F25J2215/66; F25J2290/00; F25J2290/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2557171A
Cited
US2777305A
Cited
US2823523A
Cited
US2952984A
Cited
US2973834A
Cited
US3292381A
Cited
US3320754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |