US3527504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-lock means for fluid pressure-operated braking systems
Assignee: Whitnash PLC
•
Filing: 1969-05-09
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Granted: 1970-09-08
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Expires: 1989-05-09
Abstract
No abstract record available.
Inventors
- 👤 Leslie C Chouings
- 👤 Mervyn B Packer
- 👤 David Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:20
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/34; B60T8/50; B60T8/5087; B60T8/5093; B60T8/18; B60T8/1812; B60T8/1818; B60T8/72; B60T8/74; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |