US3521934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for preventing loss of braking force in a hydraulic brake system having a brake control system for preventing wheel locking
Assignee: Robert Bosch GmbH
•
Filing: 1968-04-08
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Granted: 1970-07-28
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Expires: 1988-04-08
Abstract
No abstract record available.
Inventors
- 👤 Heinz Leiber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:25
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/34; B60T8/42; B60T8/40; B60T8/4018; B60T8/404; B60T8/4059; B60T8/4275; B60T8/44; B60T8/445; B60T8/447; B60T8/448; Y; Y10; Y10S; Y10S303/00; Y10S303/02; Y10S303/03; Y10S303/04
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) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |