US3671085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antilock brake modulator
Assignee: Motors Liquidation Co
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Filing: 1970-10-12
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Granted: 1972-06-20
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Expires: 1990-10-12
Abstract
Abstract A BRAKE ANTILOCK MODULATOR OF THE TYPE HAVING A PLUNGER FORMING A WALL WHICH IS MOVABLE BY HYDRAULIC PRESSURE IN RESPONSE TO THE SENSED WHEEL CONDITION TO CYCLICALLY DECREASE AND INCREASE THE BRAKE FLUID PRESSURE APPLIED TO THE CONTROLLED BRAKE IS PROVIDED WITH A VALVE WHICH NORMALLY ALLOWS FREE FLUID COMMUNICATION BETWEEN THE MASTER CYLINDER AND THE CONTROLLED BRAKE WHILE BLOCKING FLUID CONNUNICATION WITH THE MODULATOR PLUNGER TO ELIMINATE THE NEED FOR A PLUNGER SUPPORTING SPRING.
Inventors
- 👤 James E Pasek
- 👤 Charles D Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:09
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/34; B60T8/36; B60T8/3615; B60T8/363; B60T8/3635; B60T8/321; B60T8/328; B60T8/3645; B60T8/42; B60T8/4208; B60T8/4225; B60T8/4233
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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |