US3606493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-skid brake system
Assignee: TDK Micronas GmbH
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Filing: 1969-07-25
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Granted: 1971-09-20
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Expires: 1989-07-25
Abstract
Abstract A SPEED DEPENDENT ANTI-SKID BREAK CONTROL SYSTEM FOR VEHICLES HAVING HYDRAULIC BRAKES, INCLUDING A VOLTAGE GENERATOR FOR PRODUCING A VOLTAGE SIGNAL PROPORTIONAL TO WHEEL SPEED AND A SERIES OF CONTROLS RESPONSIVE TO DIFFERENT VOLTAGE SIGNAL LEVELS FOR CONTROLLING BRAKE PRESSURE. THE CONTROLS ARE SUCCESSIVELY OPERATED, EITHER IN RESPONSE TO A TIMER OR REDUCED BRAKE PRESSURE, TO PROVIDE STEPPED REGULATION AT A SERIES OF DECREASING SPEED LEVELS.
Inventors
- 👤 Erwin Schlitz
- 👤 Werner Fink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:36
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/58; B60T8/17; B60T8/176; B60T8/1761; B60T8/17613
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |