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US3490239A
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Breakwater structure
Assignee: GRENOBLOISE D'ETUDES ET D'APPLICATIONS HYDRAULIQUES SOGREAH SOC
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Filing: 1968-09-13
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Granted: 1970-01-20
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Expires: 1988-09-13
Abstract
No abstract record available.
Inventors
- 👤 Georges Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:01
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/06; Y; Y02; Y02A; Y02A10/00; Y02A10/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US62889A
Cited
FR707767A
Cited
US1893003A
Cited
US1993291A
Cited
US2080045A
Cited
US2396226A
Cited
GB987271A
Cited
FR1503543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |