US3237414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave attenuating device and method of attenuating waves
Assignee: University of Minnesota Twin Cities
•
Filing: 1959-10-19
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Granted: 1966-03-01
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Expires: 1979-10-19
Abstract
No abstract record available.
Inventors
- 👤 Lorenz G Straub
- 👤 Harald D Frederiksen
- 👤 Joseph M Wetzel
- 👤 Charles E Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:12
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/06; E02B3/062; Y; Y02; Y02A; Y02A10/00; Y02A10/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A DEVICE INTENDED FOR THE ATTENUATION OF SURFACE WAVE IN A ROUGH BODY OF WATER WHEREIN THE RATIO OF WAVE LENGTH OF DEPTH OF WATER (L/D) EXCEEDS 2 AND IN WHICH THE ANTICIPATED MAGNITUDE OF THE WAVES IS SO GREAT AS TO BE OBJECTIONABLE, WHICH DEVICE COMPRISES (A) A PLURALITY OF ELONGATED UNI-CELLULAR FLEXIBLEWALLED CONTAINERS, (B) SAID CONTAINERS INTENDED TO BE FLOATED IN ADJACENT SIDE-BY-SIDE RELATIONSHIP AT THE SURFACE OF SAID BODY OF WATER, (C) SAID CONTAINERS PROVIDED WITH MEANS FOR BEING ANCHORED TO EXTENDED SUBSTANTIALLY PERPENDICULAR TO THE INCIDENT WAVE CRESTS OF SAID BODY OF WATER, (D) EACH OF SAID CONTAINERS BEING SUBSTANTIALLY FILLED WITH A LIQUID SELECTED FROM THE CLASS OF (1) LIQUIDS WHOSE VISCOSITY IS NOT LESS THAN THAT OF SAID BODY OF WATER AND (2) LIQUIDS WHOSE DENSITY IS NOT GREATER THAN THAT OF SAID BODY OF WATER,
Claim 2
Independent Claim
142 words
A DEVICE INTENDED FOR THE ATTENUATION OF SURFACE WAVE IN A ROUGH BODY OF WATER WHEREIN THE RATIO OF WAVE LENGTH OF DEPTH OF WATER (L/D) EXCEEDS 2 AND IN WHICH THE ANTICIPATED MAGNITUDE OF THE WAVES IS SO GREAT AS TO BE OBJECTIONABLE, WHICH DEVICE COMPRISES (A) A PLURALITY OF ELONGATED UNI-CELLULAR FLEXIBLEWALLED CONTAINERS, (B) SAID CONTAINERS INTENDED TO BE FLOATED IN ADJACENT SIDE-BY-SIDE RELATIONSHIP AT THE SURFACE OF SAID BODY OF WATER, (C) SAID CONTAINERS PROVIDED WITH MEANS FOR BEING ANCHORED TO EXTENDED SUBSTANTIALLY PERPENDICULAR TO THE INCIDENT WAVE CRESTS OF SAID BODY OF WATER, (D) EACH OF SAID CONTAINERS BEING SUBSTANTIALLY FILLED WITH A LIQUID SELECTED FROM THE CLASS OF (1) LIQUIDS WHOSE VISCOSITY IS NOT LESS THAN THAT OF SAID BODY OF WATER AND (2) LIQUIDS WHOSE DENSITY IS NOT GREATER THAN THAT OF SAID BODY OF WATER,
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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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |