Patent US2643518A successfully refreshed from Google Patents.
US2643518A
Expired / Lapsed
US
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Vehicle brake control apparatus
Assignee: Individual
•
Filing: 1949-08-13
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Granted: 1953-06-30
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Expires: 1969-08-13
Abstract
No abstract record available.
Inventors
- 👤 Walter H Righter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:26
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1887428A
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US1918025A
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US2301219A
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US2305638A
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US2405859A
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US2336374A
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US2359687A
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US2373272A
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US2458803A
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US2393524A
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US2502378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-29 | 1956-12-29 | 1957-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-29 | 1960-12-29 | 1961-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-29 | 1964-12-29 | 1965-06-30 | $7700.00 | Window Closed / Lapsed |