US3538710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breakwater structure
Assignee: GRENOBLOISE D'ETUDES ET D'APPLICATIONS HYDRAULIQUES SOC
•
Filing: 1969-04-07
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Granted: 1970-11-10
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Expires: 1989-04-07
Abstract
No abstract record available.
Inventors
- 👤 Louis Tourmen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:51
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)
US3118282A
Cited
US857506A
Cited
CH47372A
Cited
US1423884A
Cited
FR707767A
Cited
US3096621A
Cited
GB915057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |