US3097018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Motor vehicle hydraulic brake system
Assignee: ZF Active Safety US Inc
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Filing: 1961-06-12
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Granted: 1963-07-09
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Expires: 1981-06-12
Abstract
No abstract record available.
Inventors
- 👤 Stelzer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:09
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/20; B60T11/24; B60T8/00; B60T8/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A HYDRAULIC BRAKING SYSTEM FOR A MOTOR VEHICLE HAVING FRONT AND REAR WHEEL CYLINDERS, COMPRISING A MASTER CYLINDER HAVING FLUID DISPLACING MEANS OPERATIVE FOR DISPLACING FLUID SEPARATELY TO THE FRONT AND REAR WHEEL CYLINDERS, INCLUDING PRESSURE CONTROL MEANS, AND A SINGLE DEVICE CONNECTED TO THE MASTER CYLINDER AND RESPONSIVE TO THE RATE OF VEHICLE DECELERATION FOR SO CONTROLLING THE DEVELOPMENT OF PRESSURE IN SAID MASTER CYLINDER AS TO INCREASE THE RATE OF INCREASE PRESSURE TO THE FRONT WHEEL CYLINDERS AND TO DECREASE THE RATE OF PRESSURE INCREASE TO THE REAR WHEEL CYLINDERS.
Claim 2
Dependent Claim
92 words
A HYDRAULIC BRAKING SYSTEM FOR A MOTOR VEHICLE HAVING FRONT AND REAR WHEEL CYLINDERS, COMPRISING A MASTER CYLINDER HAVING FLUID DISPLACING MEANS OPERATIVE FOR DISPLACING FLUID SEPARATELY TO THE FRONT AND REAR WHEEL CYLINDERS, INCLUDING PRESSURE CONTROL MEANS, AND A SINGLE DEVICE CONNECTED TO THE MASTER CYLINDER AND RESPONSIVE TO THE RATE OF VEHICLE DECELERATION FOR SO CONTROLLING THE DEVELOPMENT OF PRESSURE IN SAID MASTER CYLINDER AS TO INCREASE THE RATE OF INCREASE PRESSURE TO THE FRONT WHEEL CYLINDERS AND TO DECREASE THE RATE OF PRESSURE INCREASE TO THE REAR WHEEL CYLINDERS.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |