US3236340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual control braking system
Assignee: Individual
•
Filing: 1962-11-06
•
Granted: 1966-02-22
•
Expires: 1982-11-06
Abstract
No abstract record available.
Inventors
- 👤 William J Carruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:54
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
FOR A WHEELED VEHICLE, TWO FRICTION MEMBERS MOUNTED FOR BEING URGED TOGETHER TO INCREASE FRICTION BETWEEN THE TWO MEMBERS FOR BRAKING ACTION ON AT LEAST ONE OF THE WHEELS OF THE VEHICLE; A PAIR OF BRAKE PISTONS BOTH OPERATIVELY CONNECTED TO ONE OF THE MEMBERS FOR MOVING SAID ONE OF THE MEMBERS AGAINST THE OUTER MEMBER; A PAIR OF BRAKE CYLINDERS RECEIVING THE RESPECTIVE PISTIONS FLUID-TIGHT; A PAIR OF LEVERS MOUNTED FOR PIVOTAL MOVEMENT INDEPENDENTLY OF EACH OTHER AND ADJACENT EACH OTHER; FOOT PEDALS ON THE RESPECTIVE LEVERS; A PAIR OF MASTER CYLINDERS HAVING, RESPECTIVELY A PAIR OF MASTER PISTONS PIVOTALLY CONNECTED TO THE RESPECTIVE LEVERS, AND A PAIR OF FLUIDPRESSURE TRANSMISSION LINES RESPECTIVELY CONNECTING THE MASTER CYLINDERS TO THE BRAKE CYLINDERS.
Claim 2
Dependent Claim
122 words
FOR A WHEELED VEHICLE, TWO FRICTION MEMBERS MOUNTED FOR BEING URGED TOGETHER TO INCREASE FRICTION BETWEEN THE TWO MEMBERS FOR BRAKING ACTION ON AT LEAST ONE OF THE WHEELS OF THE VEHICLE; A PAIR OF BRAKE PISTONS BOTH OPERATIVELY CONNECTED TO ONE OF THE MEMBERS FOR MOVING SAID ONE OF THE MEMBERS AGAINST THE OUTER MEMBER; A PAIR OF BRAKE CYLINDERS RECEIVING THE RESPECTIVE PISTIONS FLUID-TIGHT; A PAIR OF LEVERS MOUNTED FOR PIVOTAL MOVEMENT INDEPENDENTLY OF EACH OTHER AND ADJACENT EACH OTHER; FOOT PEDALS ON THE RESPECTIVE LEVERS; A PAIR OF MASTER CYLINDERS HAVING, RESPECTIVELY A PAIR OF MASTER PISTONS PIVOTALLY CONNECTED TO THE RESPECTIVE LEVERS, AND A PAIR OF FLUIDPRESSURE TRANSMISSION LINES RESPECTIVELY CONNECTING THE MASTER CYLINDERS TO THE BRAKE CYLINDERS.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |