US3516259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Offshore structure method and apparatus
Assignee: Kaiser Steel Delaware Inc
•
Filing: 1966-09-12
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Granted: 1970-06-23
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Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Alpo J Tokola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:05
CPC Classifications
E; E02; E02B; E02B17/00; E02B17/02; E02B17/027; E02B17/0013; E02B17/0017; E02B17/0021; E02B17/003; E02B2017/0039; E02B2017/0056; E02B2017/0065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2429952A
Cited
US2653796A
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US2772539A
Cited
US2941370A
Cited
US3145538A
Cited
US3209544A
Cited
US3348382A
Cited
US3362170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |