Patent US3469627A successfully refreshed from Google Patents.
US3469627A
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Subsea production system
Assignee: Mobil Oil AS
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Filing: 1967-06-29
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Granted: 1969-09-30
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Expires: 1987-06-29
Abstract
No abstract record available.
Inventors
- 👤 Charles Ovid Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:36
CPC Classifications
E; E21; E21B; E21B41/00; E21B41/04; E21B43/00; E21B43/01; E21B43/017; F; F16; F16L; F16L1/00; F16L1/26; F16L1/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2937006A
Cited
US3063507A
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US3292695A
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US3400730A
Cited
US3366173A
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US3391734A
Cited
US3380520A
Cited
US3369368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |