US3534558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating breakwaters
Assignee: GRENOBLOISE D'ETUDES ET D'APPLICATIONS HYDRAULIQUES SOGREAH SOC
•
Filing: 1967-12-22
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Granted: 1970-10-20
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Expires: 1987-12-22
Abstract
No abstract record available.
Inventors
- 👤 Gaetan Le Bouteiller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:44
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/06; E02B3/062; Y; Y02; Y02A; Y02A10/00; Y02A10/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US226663A
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US877201A
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US1004718A
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US1432530A
Cited
US2972233A
Cited
US3197963A
Cited
US3276210A
Cited
US3191202A
Cited
US3304560A
Cited
US3357192A
Cited
US3353361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |