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US3011833A
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Pressure controlling valve mechanism for motor vehicle brake systems
Assignee: ZF Active Safety US Inc
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Filing: 1959-09-25
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Granted: 1961-12-05
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Expires: 1979-09-25
Abstract
No abstract record available.
Inventors
- 👤 Stelzer William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:19
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/32; B60T8/34; B60T8/341; B60T8/342; B60T8/18; B60T8/1812; B60T8/1825; 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)
US2033842A
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US2170086A
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US2313991A
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US2370582A
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US2450464A
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US2747599A
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US2950147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |