US3218809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for attenuating waves
Assignee: Uniroyal Inc
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Filing: 1961-02-14
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Granted: 1965-11-23
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Expires: 1981-02-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Rhodes
- 👤 Henry F Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:08
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
156 words
A DEVICE FOR TRANSFERRING WAVE ENERGY IN A LIQUID FROM THE HIGH ENERGY BAND ADJACENT TO THE SURFACE OF THE LIQUID TO A LOW ENERGY ZONE SPACED A SUBSTANTIAL DISTANCE BENEATH THE SURFACE, WHICH COMPRISES, MEANS BUOYANT IN A LIQUID, SAID BUOYANT MEANS INCLUDING AN ELONGATED FLEXIBLE IMPERVIOUS SUBSTANTIALLY FLAT SHEET WHOSE LENGTH IS AT LEAST TWO-THIRDS THE LENGTH OF THE WAVES, HANGER MEANS DEPENDING FROM SAID SHEET, PERFORATE BRAKE MEANS CARRIED BY SAID HANGER MEANS, SAID BRAKE MEANS BEING CONSTRUCTED AND ARRANGED TO PASS READILY THROUGH THE LIQUID AS IT FALLS BUT TO RESIST MOVING THROUGH THE LIQUID WHEN IT RISES, WHEREBY SAID BRAKE MEANS MAY SINK READILY THROUGH THE LIQUID BUT RESIST RISING THROUGH SAID LIQUID AS IT IS PULLED UP BY SAID HANGER MEANS UNDER THE ACTION OF SAID BUOYANT MEANS, SAID BRAKE MEANS BEING SPACED BELOW SAID IMPERVIOUS SHEET A DISTANCE AT LEAST .1 THE TROUGH TO CREST HEIGHT OF THE WAVES.
Claim 2
Independent Claim
156 words
A DEVICE FOR TRANSFERRING WAVE ENERGY IN A LIQUID FROM THE HIGH ENERGY BAND ADJACENT TO THE SURFACE OF THE LIQUID TO A LOW ENERGY ZONE SPACED A SUBSTANTIAL DISTANCE BENEATH THE SURFACE, WHICH COMPRISES, MEANS BUOYANT IN A LIQUID, SAID BUOYANT MEANS INCLUDING AN ELONGATED FLEXIBLE IMPERVIOUS SUBSTANTIALLY FLAT SHEET WHOSE LENGTH IS AT LEAST TWO-THIRDS THE LENGTH OF THE WAVES, HANGER MEANS DEPENDING FROM SAID SHEET, PERFORATE BRAKE MEANS CARRIED BY SAID HANGER MEANS, SAID BRAKE MEANS BEING CONSTRUCTED AND ARRANGED TO PASS READILY THROUGH THE LIQUID AS IT FALLS BUT TO RESIST MOVING THROUGH THE LIQUID WHEN IT RISES, WHEREBY SAID BRAKE MEANS MAY SINK READILY THROUGH THE LIQUID BUT RESIST RISING THROUGH SAID LIQUID AS IT IS PULLED UP BY SAID HANGER MEANS UNDER THE ACTION OF SAID BUOYANT MEANS, SAID BRAKE MEANS BEING SPACED BELOW SAID IMPERVIOUS SHEET A DISTANCE AT LEAST .1 THE TROUGH TO CREST HEIGHT OF THE WAVES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |