US3118282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Breakwater structures
Assignee: —
•
Filing: —
•
Granted: 1964-01-21
•
Expires: 1981-01-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:18
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A BREAKWATER COMPRISING A PAIR OF SPACED APART VERTICAL WALLS EXTENDING HORIZONTALLY AND SUPPORTED ON SEA BOTTOM AND EXTENDING ABOVE THE HIGHEST WAVE LEVEL, ONE OF THE WALLS BEING DISPOSED IN THE PATH OF WAVES AND HAVING FROM ABOUT 40 TO ABOUT 60 PERCENT OF ITS AREA IN THE FORM OF TRANSVERSE DUCTS UNIFORMLY SPACED APART AND COEXTENSIVE WITH THE WALL THICKNESS AND HAVING A RATIO OF AXIAL LENGTH TO DIAMETER RANGING FROM ABOUT 1.0 TO ABOUT 3.5, THE OTHER WALL BEING UNPERFORATED AND SPACED FROM SAID ONE WALL TO DEFINE A CHAMBER BETWEEN SAID PAIR OF WALLS HAVING A BREATH SUCH THAT FOR A TRAIN OF SEA WAVES INCIDENT ON SAID PERFORATED WALL HAVING PERIODS IN A SPECTRUM RANGING UPWARDS FROM ABOUT ONE SECOND TO ABOUT SEVENTEEN SECONDS THE OSCILLATING WATER LEVELS AT OPPOSITE FACES OF SAID PERFORATED WALL HAVE A SUBSTANTIAL PHASE DIFFERENCE AT THE FREQUENCY OF THE LONGEST PERIOD COMPONENT WAVE.
Claim 2
Dependent Claim
154 words
A BREAKWATER COMPRISING A PAIR OF SPACED APART VERTICAL WALLS EXTENDING HORIZONTALLY AND SUPPORTED ON SEA BOTTOM AND EXTENDING ABOVE THE HIGHEST WAVE LEVEL, ONE OF THE WALLS BEING DISPOSED IN THE PATH OF WAVES AND HAVING FROM ABOUT 40 TO ABOUT 60 PERCENT OF ITS AREA IN THE FORM OF TRANSVERSE DUCTS UNIFORMLY SPACED APART AND COEXTENSIVE WITH THE WALL THICKNESS AND HAVING A RATIO OF AXIAL LENGTH TO DIAMETER RANGING FROM ABOUT 1.0 TO ABOUT 3.5, THE OTHER WALL BEING UNPERFORATED AND SPACED FROM SAID ONE WALL TO DEFINE A CHAMBER BETWEEN SAID PAIR OF WALLS HAVING A BREATH SUCH THAT FOR A TRAIN OF SEA WAVES INCIDENT ON SAID PERFORATED WALL HAVING PERIODS IN A SPECTRUM RANGING UPWARDS FROM ABOUT ONE SECOND TO ABOUT SEVENTEEN SECONDS THE OSCILLATING WATER LEVELS AT OPPOSITE FACES OF SAID PERFORATED WALL HAVE A SUBSTANTIAL PHASE DIFFERENCE AT THE FREQUENCY OF THE LONGEST PERIOD COMPONENT WAVE.
References Cited (Backward Citations)
FR407575A
Cited
US1521922A
Cited
FR730189A
Cited
DE739080C
Cited
US2410338A
Cited
US2474786A
Cited
FR1095527A
Cited
US3011316A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |