US3520358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Subsea production system
Assignee: Mobil Oil AS
•
Filing: 1967-06-29
•
Granted: 1970-07-14
•
Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Warren B Brooks
- 👤 Charles Ovid Baker
- 👤 Eugene L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:43
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/01; E21B43/017; E21B33/00; E21B33/02; E21B33/03; E21B33/068; E21B33/076; E21B41/00; E21B41/04; F; F16; F16L; F16L1/00; F16L1/26; F16L1/265; E21B43/34; E21B43/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3063507A
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US3099318A
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US3211223A
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US3353364A
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US3292695A
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US3366173A
Cited
US3381485A
Cited
US3401746A
Cited
US3415317A
Cited
US3391734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-13 | 1974-01-12 | 1974-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-13 | 1978-01-12 | 1978-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-13 | 1982-01-12 | 1982-07-14 | $7700.00 | Window Closed / Lapsed |