Patent US2874002A successfully refreshed from Google Patents.
US2874002A
Expired / Lapsed
US
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Dual brake systems for automotive vehicles
Assignee: FRIED KRUPP MOTOREN und KRAFTW
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Filing: 1957-04-23
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Granted: 1959-02-17
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Expires: 1977-04-23
Abstract
No abstract record available.
Inventors
- 👤 Cambeis Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:52
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/58; B60T13/585; B60T15/00; B60T15/02; B60T15/04; B60T15/043; B60T15/045; B60T15/18; B60T15/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1861534A
Cited
US2451139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |