US2945725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Booster brake system
Assignee: ZF Active Safety US Inc
•
Filing: 1957-01-31
•
Granted: 1960-07-19
•
Expires: 1977-01-31
Abstract
No abstract record available.
Inventors
- 👤 Hill Edward Govan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:48
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/26; B60T13/00; B60T13/10; B60T13/24; B60T13/241; B60T13/246; B60T13/247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2181161A
Cited
US2079409A
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US2073163A
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FR799263A
Cited
US2182463A
Cited
US2353755A
Cited
US2402344A
Cited
US2726739A
Cited
US2747697A
Cited
US2845147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |