US3154099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually adjustable high-low pressure control valve
Assignee: Motors Liquidation Co
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Filing: 1961-09-05
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Granted: 1964-10-27
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Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul J Long
- 👤 William F Schmitz
- 👤 Bert P Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:58
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06; F16F9/08; B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/46; B60G11/465; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G17/0523; B60G17/0525; B60G17/0528; F16F9/084; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7772; Y10T137/7773; Y10T137/778; Y10T137/8593; Y10T137/87169; Y10T137/87233; Y10T137/87241; Y10T137/87917; Y10T137/88046; Y10T137/88054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A CONTROL VALVE, COMPRISING, A VALVE BODY HAVING FIRST AND SECOND CHAMBERS, A FIRST INLET PORT CONNECTED WITH SAID FIRST CHAMBER, A SECOND INLET PORT CONNECTED WITH SAID SECOND CHAMBER, A FIRST NORMALLY CLOSED VALVE IN SAID FIRST PORT PREVENTING FLUID FLOW TO SAID FIRST CHAMBER, A SECOND NORMALLY CLOSED VALVE IN SAID SECOND PORT PREVENTING FLUID FLOW TO SAID SECOND CHAMBER, PASSAGE MEANS IN SAID BODY CONNECTING SAID FIRST CHAMBER WITH SAID SECOND PORT, UNIDIRECTIONAL FLOW CHECK VALVE MEANS IN SAID PASSAGE PREVENTING FLUID FLOW FROM SAID SECOND PORT TO SAID FIRST CHAMBER, AN OUTLET PORT CONNECTED WITH SAID SECOND CHAMBER, SAID SECOND NORMALLY CLOSED VALVE BLOCKING COMMUNICATION BETWEEN SAID OUTLET PORT
Claim 2
Dependent Claim
113 words
A CONTROL VALVE, COMPRISING, A VALVE BODY HAVING FIRST AND SECOND CHAMBERS, A FIRST INLET PORT CONNECTED WITH SAID FIRST CHAMBER, A SECOND INLET PORT CONNECTED WITH SAID SECOND CHAMBER, A FIRST NORMALLY CLOSED VALVE IN SAID FIRST PORT PREVENTING FLUID FLOW TO SAID FIRST CHAMBER, A SECOND NORMALLY CLOSED VALVE IN SAID SECOND PORT PREVENTING FLUID FLOW TO SAID SECOND CHAMBER, PASSAGE MEANS IN SAID BODY CONNECTING SAID FIRST CHAMBER WITH SAID SECOND PORT, UNIDIRECTIONAL FLOW CHECK VALVE MEANS IN SAID PASSAGE PREVENTING FLUID FLOW FROM SAID SECOND PORT TO SAID FIRST CHAMBER, AN OUTLET PORT CONNECTED WITH SAID SECOND CHAMBER, SAID SECOND NORMALLY CLOSED VALVE BLOCKING COMMUNICATION BETWEEN SAID OUTLET PORT
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |