US3465528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating wave suppressor
Assignee: ERNEST M USAB
•
Filing: 1967-04-25
•
Granted: 1969-09-09
•
Expires: 1987-04-25
Abstract
No abstract record available.
Inventors
- 👤 Ernest M Usab
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:24
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)
US436644A
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US1004718A
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US1184149A
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US1733790A
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US1909539A
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US2658350A
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US2994201A
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US3091203A
Cited
US3306053A
Cited
US3276209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |