US3434296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for connecting an underwater pipeline to an offshore installation
Assignee: Shell USA Inc
•
Filing: 1966-10-24
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Granted: 1969-03-25
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Expires: 1986-10-24
Abstract
No abstract record available.
Inventors
- 👤 Lloyd G Otteman
- 👤 Ronald L Geer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:25
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/01; E21B43/013; E21B43/0135; E21B43/0107; F; F16; F16L; F16L1/00; F16L1/12; F16L1/14; F16L1/15; E02; E02B; E02B17/00; E02B2017/0095
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3226728A
Cited
US3298092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |