US3469662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle anti-skid braking systems
Assignee: Dunlop Co Ltd
•
Filing: 1967-01-17
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Granted: 1969-09-30
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Expires: 1987-01-17
Abstract
No abstract record available.
Inventors
- 👤 Douglas Dewar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:10
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/321; B60T8/329; B60T8/17; B60T8/171; G; G01; G01P; G01P15/00; G01P15/16; G01P15/165; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/4802; G01P3/4805; G01P3/481; G01P3/488
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2669669A
Cited
US2913662A
Cited
US3193057A
Cited
US3158033A
Cited
US3116807A
Cited
US3233946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |