Patent US3236340A successfully refreshed from Google Patents.
US3236340A
Expired / Lapsed
US
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Dual control braking system
Assignee: Individual
•
Filing: 1962-11-06
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Granted: 1966-02-22
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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 22:47
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)
US2209343A
Cited
US2299932A
Cited
US2374196A
Cited
US2358540A
Cited
US2726738A
Cited
US2816626A
Cited
US2918148A
Cited
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 |