US3067069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of liquid hydrocarbons from empty compartments of ocean-going tankers
Assignee: Standard Oil Co
•
Filing: 1958-03-27
•
Granted: 1962-12-04
•
Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 Robert L Stack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:23
CPC Classifications
B; B63; B63B; B63B57/00; B63B57/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1978015A
Cited
US2497946A
Cited
US2443721A
Cited
US2550997A
Cited
US2661241A
Cited
FR1092149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |