US3269418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control valve
Assignee: Motors Liquidation Co
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Filing: 1963-07-11
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Granted: 1966-08-30
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Expires: 1983-07-11
Abstract
No abstract record available.
Inventors
- 👤 George W Jackson
- 👤 Jr Paul J Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:36
CPC Classifications
B; B60; B60G; B60G17/00; B60G17/02; B60G17/04; B60G17/052; B60G17/0523; B60G17/0528; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919; Y10T137/86928; Y10T137/877; Y10T137/87708; Y10T137/8778; Y10T137/87917; Y10T137/87981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
IN A FLUID CONTROL DEVICE THE COMBINATION OF, VALVE BODY MEANS FORMING FIRST AND SECOND PASSAGEWAY MEANS AND A PRESSURE CHAMBER COMMUNICATING THEREWITH, FIRST VALVE MEANS FOR CONTROLLING COMMUNICATION BETWEEN SAID FIRST PASSAGEWAY MEANS AND SAID PRESSURE CHAMBER, SECOND VALVE MEANS FOR CONTROLLING COMMUNICATION BETWEEN SAID SECOND PASSAGEWAY MEANS AND SAID PRESSURE CHAMBER, PRESSURE RESPONSIVE MEANS INCLUDING A PISTON MEMBER FOR ACTUATING SAID FIRST AND SECOND VALVE MEANS, SAID SECOND VALVE MEANS INCLUDING AN ANNULAR SEAL SUPPORTED WITHIN SAID PISTON MEMBER FOR MOVEMENT THEREWITH, MEANS FOR UNBALANCING SAID PRESSURE RESPONSIVE MEANS TO OPEN SAID FIRST AND SECOND VALVE MEANS, SAID PRESSURE RESPONSIVE MEANS BEING BALANCED UPON THE OCCURRENCE OF A PREDETERMINED PRESSURE IN SAID PRESSURE CHAMBER TO CLOSE SAID FIRST AND SECOND VALVE MEANS SO AS TO BLOCK COMMUNICATION BETWEEN SAID PRESSURE CHAMBER AND SAID FIRST AND SECOND PASSAGEWAY MEANS, SAID PISTON MEMBER INCLUDING A PASSAGEWAY THERETHROUGH COMMUNICATING SAID PRESSURE CHAMBER WITH THE EXTERIOR OF SAID VALVE BODY MEANS.
Claim 2
Dependent Claim
159 words
IN A FLUID CONTROL DEVICE THE COMBINATION OF, VALVE BODY MEANS FORMING FIRST AND SECOND PASSAGEWAY MEANS AND A PRESSURE CHAMBER COMMUNICATING THEREWITH, FIRST VALVE MEANS FOR CONTROLLING COMMUNICATION BETWEEN SAID FIRST PASSAGEWAY MEANS AND SAID PRESSURE CHAMBER, SECOND VALVE MEANS FOR CONTROLLING COMMUNICATION BETWEEN SAID SECOND PASSAGEWAY MEANS AND SAID PRESSURE CHAMBER, PRESSURE RESPONSIVE MEANS INCLUDING A PISTON MEMBER FOR ACTUATING SAID FIRST AND SECOND VALVE MEANS, SAID SECOND VALVE MEANS INCLUDING AN ANNULAR SEAL SUPPORTED WITHIN SAID PISTON MEMBER FOR MOVEMENT THEREWITH, MEANS FOR UNBALANCING SAID PRESSURE RESPONSIVE MEANS TO OPEN SAID FIRST AND SECOND VALVE MEANS, SAID PRESSURE RESPONSIVE MEANS BEING BALANCED UPON THE OCCURRENCE OF A PREDETERMINED PRESSURE IN SAID PRESSURE CHAMBER TO CLOSE SAID FIRST AND SECOND VALVE MEANS SO AS TO BLOCK COMMUNICATION BETWEEN SAID PRESSURE CHAMBER AND SAID FIRST AND SECOND PASSAGEWAY MEANS, SAID PISTON MEMBER INCLUDING A PASSAGEWAY THERETHROUGH COMMUNICATING SAID PRESSURE CHAMBER WITH THE EXTERIOR OF SAID VALVE BODY MEANS.
References Cited (Backward Citations)
US3152607A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |