US3159433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake proportioning valves
Assignee: Bendix Corp
•
Filing: 1961-07-24
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Granted: 1964-12-01
•
Expires: 1981-07-24
Abstract
No abstract record available.
Inventors
- 👤 Chevreux Gerard
- 👤 Muterel Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:35
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/26; Y; Y10; Y10S; Y10S280/00; Y10S280/01; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607; Y10T137/261; Y10T137/7722; Y10T137/7781; Y10T137/7782
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN COMBINATION WITH A VEHICLE HAVING A FLUID PRESSURE SUSPENSION MEANS, A BRAKING SYSTEM INCLUDING A BRAKE CONTROL VALVE, A BRAKE MOTOR AND A BRAKE PROPORTIONING VALVE BETWEEN SAID BRAKE CONTROL VALVE AND SAID BRAKE MOTOR, SAID BRAKE PROPORTIONING VALVE COMPRISING: A HOUSING HAVING AN INLET PORT CONNECTED TO SAID CONTROL VALVE, AN OUTLET PORT CONNECTED TO SAID BRAKE MOTOR AND A CONTROL PORT CONNECTED TO SAID FLUID PRESSURE SUSPENSION MEANS; A FIRST PRESSURE RESPONSIVE MEANS MOVABLE IN THE HOUSING, WHICH FIRST PRESSURE RESPONSIVE MEANS HAS AN AREA RESPONSIVE TO INLET PORT PRESSURE AND ANOTHER AREA RESPONSIVE TO OUTLET PORT PRESSURE WITH THE EFFECTIVE AREA RESPONSIVE TO INLET PORT PRESSURE BEING SUBSTANTIALLY CONSTANT AND THE EFFFECTIVE AREA RESPONSIVE TO OUTLET PRESSURE BEING VARIABLE;
Claim 2
Dependent Claim
123 words
IN COMBINATION WITH A VEHICLE HAVING A FLUID PRESSURE SUSPENSION MEANS, A BRAKING SYSTEM INCLUDING A BRAKE CONTROL VALVE, A BRAKE MOTOR AND A BRAKE PROPORTIONING VALVE BETWEEN SAID BRAKE CONTROL VALVE AND SAID BRAKE MOTOR, SAID BRAKE PROPORTIONING VALVE COMPRISING: A HOUSING HAVING AN INLET PORT CONNECTED TO SAID CONTROL VALVE, AN OUTLET PORT CONNECTED TO SAID BRAKE MOTOR AND A CONTROL PORT CONNECTED TO SAID FLUID PRESSURE SUSPENSION MEANS; A FIRST PRESSURE RESPONSIVE MEANS MOVABLE IN THE HOUSING, WHICH FIRST PRESSURE RESPONSIVE MEANS HAS AN AREA RESPONSIVE TO INLET PORT PRESSURE AND ANOTHER AREA RESPONSIVE TO OUTLET PORT PRESSURE WITH THE EFFECTIVE AREA RESPONSIVE TO INLET PORT PRESSURE BEING SUBSTANTIALLY CONSTANT AND THE EFFFECTIVE AREA RESPONSIVE TO OUTLET PRESSURE BEING VARIABLE;
References Cited (Backward Citations)
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Cited
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US3018139A
Cited
US2986427A
Cited
US3011833A
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US2985490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |