US3516715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skid control system including valve cycling and checking circuit
Assignee: ZF Active Safety US Inc
•
Filing: 1969-06-20
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Granted: 1970-06-23
•
Expires: 1989-06-20
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Fielek Jr
- 👤 Francis J Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:30
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/34; B60T8/42; B60T8/4208; B60T8/4225; B60T8/4241; B60T8/425; B60T8/88; B60T8/885; B60T2270/00; B60T2270/40; B60T2270/406
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3265446A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |