Patent US3317002A successfully refreshed from Google Patents.
US3317002A
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Fluid distributing system
Assignee: Walker Manufacturing Co
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Filing: 1965-02-08
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Granted: 1967-05-02
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 William G Mckenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:28
CPC Classifications
F; F16; F16N; F16N27/00; F16N13/00; F16N13/02; F16N13/06; F16K; F16K15/00; F16K15/14; F16K15/144; F16N2013/066; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86043
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
125 words
IN A FLUID DISTRIBUTING SYSTEM, A RESERVOIR, A PUMP HAVING AN INLET PORT CONNECTED TO SAID RESERVOIR, ELECTRICALLY OPERATED DRIVING MEANS FOR SAID PUMP, AN ACCUMULATOR HAVING A PISTON SLIDABLE IN A COLLECTION CHAMBER BETWEEN A DISCHARGE POSITION AND A FULLY CHARGED POSITION, RESILIENT MEANS URGING SAID PISTON TOWARD ITS DISCHARGE POSITION, MEANS FOR ADJUSTING THE STROKE OF SAID PISTON BETWEEN SAID POSITIONS, A CONNECTION BETWEEN SAID CHAMBER AND THE PUMP OUTLET PORT, A RELIEF VALVE HAVING AN INLET PORT CONNECTED TO SAID PUMP OUTLET PORT AND AN OUTLET PORT, MEANS IN SAID RELIEF VALVE RESPONSIVE TO THE ATTAINMENT OF A RELATIVELY HIGH PREDETERMINED PRESSURE AT SAID RELIEF VALVE INLET PORT FOR OPENING SAID RELIEF VALVE AND RESPONSIVE TO REDUCTION OF PRESSURE AT SAID RELIEF
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |