US3479094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure braking systems for tractor-trailer vehicles
Assignee: Whitnash PLC
•
Filing: 1967-04-04
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Granted: 1969-11-18
•
Expires: 1987-04-04
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Chouings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:51
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/18; B60T8/1887; B60T8/32; B60T8/72; B60T8/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1926296A
Cited
US2181161A
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US2242297A
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US3093422A
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US3084002A
Cited
US3159729A
Cited
US3140124A
Cited
US3297368A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |