Patent US2991797A successfully refreshed from Google Patents.
US2991797A
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US
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Device for differential braking of fore and rear wheels of a motor vehicle
Assignee: Fiat SpA
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Filing: 1958-11-10
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Granted: 1961-07-11
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Expires: 1978-11-10
Abstract
No abstract record available.
Inventors
- 👤 Baldwin Philip Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:38
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/28; B60T11/34; B60T11/16; B60T11/224; B60T8/00; B60T8/26; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7781; Y10T137/7793; Y10T137/7808; Y10T137/7834
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |