Patent US3312059A successfully refreshed from Google Patents.
US3312059A
Expired / Lapsed
US
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Hydraulic speed control system for discharging liquid cargo
Assignee: Nashville Bridge Co
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Filing: 1965-10-22
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Granted: 1967-04-04
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Herman R Stuteville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:13
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/44; F16H61/448; F04; F04D; F04D15/00; F04D15/0066; F16H61/444; G; G05; G05D; G05D7/00; G05D7/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A HYDRAULIC SPEED CONTROL SYSTEM FOR DISCHARGING LIQUID CARGO COMPRISING A POWER PLANT, AT LEAST FIRST AND SECOND FLUID PUMPS DRIVEN SIMULTANEOUSLY BY SAID POWER PLANT, SAID FIRST PUMP HAVING A PREDETERMINED CAPACITY, SAID SECOND PUMP HAVING A CAPACITY LESS LESS THAN SAID FIRST PUMP, A FLUID RESERVOIR, AT LEAST ONE SUCTION LINE CONNECTING SAID FIRST AND SECOND PUMPS WITH SAID RESERVIOR, EACH OF SAID FIRST AND SECOND PUMPS HAVING AN INDEPENDENT FLUID FLOW LINE, SAID FLUID LINES BEING CONNECTED TO A COMMON FLUID FLOW LINE, A CARGO PUMP DRIVEN BY A FLUID MOTOR CONNECTED TO SAID COMMON FLUID FLOW LINE, MEANS FOR DISCHARGING FLUID FROM SAID FLUID MOTOR TO SAID RESERVOIR, A FIRST RELIEF AND UNLOADING VALVE CONNECTED TO
Claim 2
Dependent Claim
120 words
A HYDRAULIC SPEED CONTROL SYSTEM FOR DISCHARGING LIQUID CARGO COMPRISING A POWER PLANT, AT LEAST FIRST AND SECOND FLUID PUMPS DRIVEN SIMULTANEOUSLY BY SAID POWER PLANT, SAID FIRST PUMP HAVING A PREDETERMINED CAPACITY, SAID SECOND PUMP HAVING A CAPACITY LESS LESS THAN SAID FIRST PUMP, A FLUID RESERVOIR, AT LEAST ONE SUCTION LINE CONNECTING SAID FIRST AND SECOND PUMPS WITH SAID RESERVIOR, EACH OF SAID FIRST AND SECOND PUMPS HAVING AN INDEPENDENT FLUID FLOW LINE, SAID FLUID LINES BEING CONNECTED TO A COMMON FLUID FLOW LINE, A CARGO PUMP DRIVEN BY A FLUID MOTOR CONNECTED TO SAID COMMON FLUID FLOW LINE, MEANS FOR DISCHARGING FLUID FROM SAID FLUID MOTOR TO SAID RESERVOIR, A FIRST RELIEF AND UNLOADING VALVE CONNECTED TO
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-03 | 1970-10-03 | 1971-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-03 | 1974-10-03 | 1975-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-03 | 1978-10-03 | 1979-04-04 | $7700.00 | Window Closed / Lapsed |