US3470697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum-assist power brake
Assignee: Continental Teves AG and Co OHG
•
Filing: 1967-08-01
•
Granted: 1969-10-07
•
Expires: 1987-08-01
Abstract
No abstract record available.
Inventors
- 👤 Franz Pech
- 👤 Neu Isenburg
- 👤 Peter Spahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:20
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/52; B60T13/573
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2894490A
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US2900962A
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US2900963A
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US3165031A
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US3172334A
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US2980068A
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US3110031A
Cited
US2989035A
Cited
US3035551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |