Patent US2571323A successfully refreshed from Google Patents.
US2571323A
Expired / Lapsed
US
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Tow bar brake control
Assignee: Individual
•
Filing: 1946-08-02
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Granted: 1951-10-16
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Expires: 1966-08-02
Abstract
No abstract record available.
Inventors
- 👤 Herbert G Yoder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 06:31
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/107; B60T7/00; B60T7/12; B60T7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2102834A
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US1881185A
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US1976445A
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US2140751A
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US2081056A
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US2136835A
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US2189335A
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US2125702A
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US2116052A
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US2320585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-15 | 1955-04-16 | 1955-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-15 | 1959-04-16 | 1959-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-15 | 1963-04-16 | 1963-10-16 | $7700.00 | Window Closed / Lapsed |