US3721475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the control of antiskid brake system for powered vehicles
Assignee: Aisin Corp
•
Filing: 1969-10-09
•
Granted: 1973-03-20
•
Expires: 1989-10-09
Abstract
Abstract CATION OF THE HYDRAULIC BRAKE PRESSURE IN A SUDDEN AND CONSIDERABLE BRAKE APPLICATION. IN A METHOD AND APPARATUS FOR ANTISKID CONTROL OF A HYDRAULIC BRAKE SYSTEM FOR POWERED VEHICLE WHEELS, THE IMPROVEMENT COMPRISES A SENSOR WHICH SENSES OCCASIONAL VALUE OF COEFFICIENT OF ADHESION APPEARING BETWEEN SAID WHEELS AND A ROAD SURFACE ON WHICH THE WHEELS TRAVEL, SAID MEMORIED VALUE BEING TAKING INTO ACCOUNT FOR THE MODIFI-
Inventors
- 👤 T Kawase
- 👤 Y Awakura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:17
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/34; B60T8/42; B60T8/4208; B60T8/4225; B60T8/4241; B60T8/425; B60T8/17; B60T8/171; B60T8/72; B60T8/74
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-03-19 | 1976-09-18 | 1977-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-19 | 1980-09-18 | 1981-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-19 | 1984-09-18 | 1985-03-20 | $7700.00 | Window Closed / Lapsed |