US2725945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective brake control mechanism for tractor steering
Assignee: Individual
•
Filing: 1951-11-14
•
Granted: 1955-12-06
•
Expires: 1971-11-14
Abstract
No abstract record available.
Inventors
- 👤 Beaudoux Pierre Emile
- 👤 Barthelemy Francois Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:47
CPC Classifications
B; B62; B62D; B62D9/00; B62D15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US608517A
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US1314093A
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US1078107A
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US1446121A
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US1363327A
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US1353393A
Cited
US1505533A
Cited
US1451194A
Cited
US1928136A
Cited
US1956253A
Cited
GB454818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |