US3671084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antilock modulator with mechanically resettable control valve
Assignee: Motors Liquidation Co
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Filing: 1970-10-06
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Granted: 1972-06-20
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Expires: 1990-10-06
Abstract
Abstract AN ANTILOCK BRAKE PRESSURE MODULATOR INCLUDES A SPRING SUPPORTED PISTON WHICH HOLDS THE MODULATOR CHECK VALVE UNSEATED AND A NORMALLY OPEN MODULATOR CONTROL VALVE WHICH IS MECHANICALLY RESETTABLE WHEN THE PISTON REACHES THE END OF ITS BRAKE RELEASING STROKE.
Inventors
- 👤 Charles D Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:30
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/34; B60T8/42; B60T8/4208; B60T8/4225; B60T8/4233; B60T8/50; B60T8/5018; B60T8/5025; B60T8/5037; B60T8/5043
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 |