US3213872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibiting valve for electro-pneumatic cruise control
Assignee: Motors Liquidation Co
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Filing: 1961-08-21
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Granted: 1965-10-26
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Robert C Schniers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:59
CPC Classifications
G; G01; G01P; G01P1/00; G01P1/07; G01P1/08; G01P1/10; B; B60; B60K; B60K31/00; B60K31/06; B60K31/08; Y; Y10; Y10T; Y10T137/00; Y10T137/0971
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
94 words
IN A DUAL PRESSURE CONTROL VALVE HAVING A HOUSING, PROVIDED WITH FIRST AND SECOND PRESSURE INLETS AND OUTLETS, MEANS RESPONSIVE TO A FIRST PRESSURE CONNECTED THEREWITH BY SAID FIRST PRESSURE INLET TO CLOSE SAID VALVE AND OPERATIVELY INTERCONNECT SAID SECOND PRESSURE INLET AND OUTLET AT A PREDETERMINED VALUE OF THE FIRST PRESSURE, SAID VALVE BEING HELD IN THE CLOSED POSITION BY THE SECOND PRESSURE, AND MEANS TO OPEN SAID VALVE AT A PREDETERMINED VALUE OF THE SECOND PRESSURE INDEPENDENTLY OF SAID FIRST PRESSURE RESPONSIVE MEANS TO OPERATIVELY DISCONNECT SAID SECOND PRESSURE INLET AND OUTLET.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |