US3117423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of underwater foundations
Assignee: Svenska AB Gasaccumulator
•
Filing: 1960-01-18
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Granted: 1964-01-14
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Expires: 1980-01-18
Abstract
No abstract record available.
Inventors
- 👤 Fagerlund Sten-Olof Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:36
CPC Classifications
E; E02; E02D; E02D27/00; E02D27/10; E02D27/18; E02B; E02B17/00; E02D27/32; E02D27/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US472277A
Cited
FR425092A
Cited
GB302101A
Cited
US1967490A
Cited
US2405295A
Cited
CH299642A
Cited
US2995900A
Cited
US2940266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |