US3374761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic stabilizer for boat steering
Assignee: Wave Crest Corp
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Filing: 1966-09-12
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Granted: 1968-03-26
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Expires: 1986-09-12
Abstract
No abstract record available.
Inventors
- 👤 Russell G Bretz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:55
CPC Classifications
B; B63; B63H; B63H25/00; B63H25/06; B63H25/08; B63H20/00; B63H20/08; B63H20/12; B63H25/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
314 words
IN COMBINATION: A BOAT, A CONTROLLABLE STEERING ELEMENT MOUNTED PIVOTALLY ON SAID BOAT, A HYDRAULIC STABILIZER AND CONTROL COMPRISING A FRAME ATTACHED TO SAID STEERING ELEMENT, A VALVE ATTACHED TO SAID FRAME AND HAVING TWO PORTS AND HAVING MEANS FORMING A PASSAGEWAY BETWEEN SAID PORTS, SAID VALVE HAVING A CONTROLLABLE MEMBER MOVABLY MOUNTED ON SAID FRAME AND OPERABLY CORRELATED WITH SAID PASSAGEWAY FORMING MEANS FOR CLOSING SAID PASSAGEWAY AT TIMES AND FOR OPENING SAID PASSAGEWAY AT OTHER TIMES, SPACED MEANS TO WHICH CONTROL CABLE ENDS CAN BE ATTACHED, MEANS OPERABLY CORRELATING SAID SPACED MEANS AND SAID CONTROLLABLE MEMBER WHEREBY WHEN EITHER ONE OF SAID SPACED MEANS IS PULLED IN A DIRECTION AWAY FROM THE OTHER SPACED MEANS SAID CONTROLLABLE MEMBER IS MOVED IN A DIRECTION FOR OPENING SAID PASSAGEWAY, AND MEANS CONTINUALLY URGING EACH OF SAID SPACED MEANS INTO POSITIONS FOR CAUSING SAID CONTROLLABLE MEMBER TO BE MOVED INTO A POSITION FOR CLOSING SAID PASSAGEWAY, A PAIR OF ELONGATED HYDRAULIC CYLINDER ASSEMBLIES, MEANS ATTACHING INNER ENDS OF SAID CYLINDER ASSEMBLIES TO SAID FRAME, MEANS ANCHORING OUTER ENDS OF SAID CYLINDER ASSEMBLIES TO SAID BOAT, SAID ELONGATED ASSEMBLIES EXTENDING GENERALLY IN OPPOSITE DIRECTIONS APPROXIMATELY IN PARALLELISM WITH A LINE EXTENDING THROUGH SAID SPACED MEANS, EACH OF SAID ASSEMBLIES HAVING A SINGLE PORT CONNECTED TO ONE OF SAID TWO VALVE PORTS FLUID IN SAID CYLINDERS AND SAID PASSAGEWAY, AND SAID CYLINDERS BEING SO CONSTRUCTED THAT SAID FLUID FLOWS FROM ONE OF SAID CYLINDERS TO THE OTHER WHENEVER ONE OF SAID CYLINDERS IS SHORTENED AND THE OTHER LENGTHENED BY A MOVEMENT OF SAID FRAME TOWARD THE SHORTENED CYLINDER, SAID MEANS ANCHORING THE OUTER END OF EACH SAID CYLINDER ASSEMBLY AND THE SAID MEANS ATTACHING THE INNNER ENDS OF EACH CYLINDER ASSEMBLY TO SAID FRAME TOGETHER FORMING ATTACHMENTS SUFFICIENTLY FLEXIBLE AS TO PERMIT A MOVEMENT OF SAID FRAME SUFFICIENTLY FOR EFFECTIVE CONTROL OF THE STEERING OF SAID BOAT.
Claim 2
Dependent Claim
314 words
IN COMBINATION: A BOAT, A CONTROLLABLE STEERING ELEMENT MOUNTED PIVOTALLY ON SAID BOAT, A HYDRAULIC STABILIZER AND CONTROL COMPRISING A FRAME ATTACHED TO SAID STEERING ELEMENT, A VALVE ATTACHED TO SAID FRAME AND HAVING TWO PORTS AND HAVING MEANS FORMING A PASSAGEWAY BETWEEN SAID PORTS, SAID VALVE HAVING A CONTROLLABLE MEMBER MOVABLY MOUNTED ON SAID FRAME AND OPERABLY CORRELATED WITH SAID PASSAGEWAY FORMING MEANS FOR CLOSING SAID PASSAGEWAY AT TIMES AND FOR OPENING SAID PASSAGEWAY AT OTHER TIMES, SPACED MEANS TO WHICH CONTROL CABLE ENDS CAN BE ATTACHED, MEANS OPERABLY CORRELATING SAID SPACED MEANS AND SAID CONTROLLABLE MEMBER WHEREBY WHEN EITHER ONE OF SAID SPACED MEANS IS PULLED IN A DIRECTION AWAY FROM THE OTHER SPACED MEANS SAID CONTROLLABLE MEMBER IS MOVED IN A DIRECTION FOR OPENING SAID PASSAGEWAY, AND MEANS CONTINUALLY URGING EACH OF SAID SPACED MEANS INTO POSITIONS FOR CAUSING SAID CONTROLLABLE MEMBER TO BE MOVED INTO A POSITION FOR CLOSING SAID PASSAGEWAY, A PAIR OF ELONGATED HYDRAULIC CYLINDER ASSEMBLIES, MEANS ATTACHING INNER ENDS OF SAID CYLINDER ASSEMBLIES TO SAID FRAME, MEANS ANCHORING OUTER ENDS OF SAID CYLINDER ASSEMBLIES TO SAID BOAT, SAID ELONGATED ASSEMBLIES EXTENDING GENERALLY IN OPPOSITE DIRECTIONS APPROXIMATELY IN PARALLELISM WITH A LINE EXTENDING THROUGH SAID SPACED MEANS, EACH OF SAID ASSEMBLIES HAVING A SINGLE PORT CONNECTED TO ONE OF SAID TWO VALVE PORTS FLUID IN SAID CYLINDERS AND SAID PASSAGEWAY, AND SAID CYLINDERS BEING SO CONSTRUCTED THAT SAID FLUID FLOWS FROM ONE OF SAID CYLINDERS TO THE OTHER WHENEVER ONE OF SAID CYLINDERS IS SHORTENED AND THE OTHER LENGTHENED BY A MOVEMENT OF SAID FRAME TOWARD THE SHORTENED CYLINDER, SAID MEANS ANCHORING THE OUTER END OF EACH SAID CYLINDER ASSEMBLY AND THE SAID MEANS ATTACHING THE INNNER ENDS OF EACH CYLINDER ASSEMBLY TO SAID FRAME TOGETHER FORMING ATTACHMENTS SUFFICIENTLY FLEXIBLE AS TO PERMIT A MOVEMENT OF SAID FRAME SUFFICIENTLY FOR EFFECTIVE CONTROL OF THE STEERING OF SAID BOAT.
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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |