US3205823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump regulating system
Assignee: BROWN STEEL TANK CO
•
Filing: 1963-03-18
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Granted: 1965-09-14
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Walter V Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:36
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/10; F04C14/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A CONTROL SYSTEM FOR PUMP COMPRISING IN COMBINATION A SOURCE OF AIR PRESSURE, A PRESSURE REGULATOR COMMUNICATING WITH THE OUTLET OF SAID SOURCE OF AIR PRESSURE, A PRESSURE SENSING ASSEMBLY INCLUDING A PRESSURE RESPONSIVE ELEMENT MOVABLE MOUNTED THEREIN, A FLOW CONTROL ASSEMBLY CONNECTED TO SAID PUMP FOR CONTROLLING THE FLOW OF FLUID THEREFROM, SAID PRESSURE RESPONSIVE ELEMENT BEING OPERATIVLEY CONNECTED TO SAID FLOW CONTROL ASSEMPLY, A LINE INTERCONNECTING SAID SOURCE OF AIR PRESSURE AND SAID PRESSURE SENSING ASSEMBLY VIA SAID PRESSURE REGULATOR, SAID PUMP HAVING INLET AND OUTLET PORTS, FIRST DUCT MEANS COMMUNICATING BETWEEN ONE OF SAID PORTS AND SAID PRESSURE SENSING ASSEMBLY ON ONE SIDE OF SAID PRESSURE RESPONSIVE ELEMENT, AND A SECOND DUCT MEANS COMMUNICATING BETWEEN SAID SOURCE OF AIR PRESSURE AND SAID PRESSURE SENSING ASSEMBLY ON THE OTHER SIDE OF SAID PRESSURE RESPONSIVE ELEMENT.
Claim 2
Dependent Claim
137 words
A CONTROL SYSTEM FOR PUMP COMPRISING IN COMBINATION A SOURCE OF AIR PRESSURE, A PRESSURE REGULATOR COMMUNICATING WITH THE OUTLET OF SAID SOURCE OF AIR PRESSURE, A PRESSURE SENSING ASSEMBLY INCLUDING A PRESSURE RESPONSIVE ELEMENT MOVABLE MOUNTED THEREIN, A FLOW CONTROL ASSEMBLY CONNECTED TO SAID PUMP FOR CONTROLLING THE FLOW OF FLUID THEREFROM, SAID PRESSURE RESPONSIVE ELEMENT BEING OPERATIVLEY CONNECTED TO SAID FLOW CONTROL ASSEMPLY, A LINE INTERCONNECTING SAID SOURCE OF AIR PRESSURE AND SAID PRESSURE SENSING ASSEMBLY VIA SAID PRESSURE REGULATOR, SAID PUMP HAVING INLET AND OUTLET PORTS, FIRST DUCT MEANS COMMUNICATING BETWEEN ONE OF SAID PORTS AND SAID PRESSURE SENSING ASSEMBLY ON ONE SIDE OF SAID PRESSURE RESPONSIVE ELEMENT, AND A SECOND DUCT MEANS COMMUNICATING BETWEEN SAID SOURCE OF AIR PRESSURE AND SAID PRESSURE SENSING ASSEMBLY ON THE OTHER SIDE OF SAID PRESSURE RESPONSIVE ELEMENT.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |