US3011316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breakwater and method of dissipating waves
Assignee: Individual
•
Filing: 1958-12-18
•
Granted: 1961-12-05
•
Expires: 1978-12-18
Abstract
No abstract record available.
Inventors
- 👤 Allen B Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:22
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)
US226772A
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GB191108306A
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US1192141A
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CH160988A
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DE681210C
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US2474786A
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GB676082A
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US2710505A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |