US2956412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for loading liquefied gas
Assignee: Phillips Petroleum Co
•
Filing: 1959-01-05
•
Granted: 1960-10-18
•
Expires: 1979-01-05
Abstract
No abstract record available.
Inventors
- 👤 Robert E Loebeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:00
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/02; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0326; F17C2205/0329; F17C2205/0332; F17C2205/0335; F17C2205/0341; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2225/00; F17C2225/01; F17C2225/0146; F17C2225/0153; F17C2225/03; F17C2225/033; F17C2225/04; F17C2225/042; F17C2225/043; F17C2225/044; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2250/00; F17C2250/04; F17C2250/0404; F17C2250/0426; F17C2250/043; F17C2250/06; F17C2250/0605; F17C2250/0626; F17C2250/0631; F17C2250/0636; F17C2260/00; F17C2260/02; F17C2260/024; F17C2265/00; F17C2265/06; F17C2265/061; F17C2270/00; F17C2270/01; F17C2270/0165; F17C2270/0168; F17C2270/0171
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |