US3018139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure control mechanism for vehicle brakes
Assignee: ZF Active Safety US Inc
•
Filing: 1958-04-01
•
Granted: 1962-01-23
•
Expires: 1978-04-01
Abstract
No abstract record available.
Inventors
- 👤 Stelzer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:18
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/26; B60T13/36; B60T8/00; B60T8/18; B60T8/1837; B60T8/1843; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1525627A
Cited
US1887578A
Cited
US2150576A
Cited
US2184551A
Cited
US2335825A
Cited
US2429194A
Cited
US2807338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |