Patent US3549209A successfully refreshed from Google Patents.
US3549209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic braking system
Assignee: Oak Industries Inc
•
Filing: 1969-02-14
•
Granted: 1970-12-22
•
Expires: 1989-02-14
Abstract
No abstract record available.
Inventors
- 👤 Dieter Moericke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:21
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T7/00; B60T7/12; B60T8/00; B60T8/32; B60T8/321; B60T8/3235
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |