Patent US5185276A successfully refreshed from Google Patents.
Patent US3195555A successfully refreshed from Google Patents.
US3195555A
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Tankless pumping system
Assignee: Syncroflo Inc
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Filing: 1963-04-01
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Granted: 1965-07-20
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Robert F Schaub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:50
CPC Classifications
E; E03; E03B; E03B5/00; E03B5/02; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A TANKLESS PUMPING SYSTEM COMPRISING A PLURALITY OF PUMPS OF DIFFERENT SIZES, PRESSURE REGULATORS CONNECTING THE PUMPS RESPECTIVELY TO A LINE TO SUPPLY LIQUID THERETO, THE REGULATOR FOR THE SMALLER PUMP BEING ADJUSTED TO MAINTAIN A LOWER PRESSURE THAN THE REGULATOR FOR THE LARGER PUMP, AND CONTROL MEANS RESPONSIVE TO THE RATE OF FLOW OF LIQUID THROUGH THE LINE TO CAUSE THE SMALLER PUMP ONLY TO OPERATE WHEN THE FLOW IS BELOW A PREDETERMINED VALVE AND THE LARGER PUMP ONLY TO OPERATE WHEN THE FLOW IS ABOVE SAID VALVE.
Claim 2
Dependent Claim
89 words
A TANKLESS PUMPING SYSTEM COMPRISING A PLURALITY OF PUMPS OF DIFFERENT SIZES, PRESSURE REGULATORS CONNECTING THE PUMPS RESPECTIVELY TO A LINE TO SUPPLY LIQUID THERETO, THE REGULATOR FOR THE SMALLER PUMP BEING ADJUSTED TO MAINTAIN A LOWER PRESSURE THAN THE REGULATOR FOR THE LARGER PUMP, AND CONTROL MEANS RESPONSIVE TO THE RATE OF FLOW OF LIQUID THROUGH THE LINE TO CAUSE THE SMALLER PUMP ONLY TO OPERATE WHEN THE FLOW IS BELOW A PREDETERMINED VALVE AND THE LARGER PUMP ONLY TO OPERATE WHEN THE FLOW IS ABOVE SAID VALVE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |