US2816422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic brake actuator
Assignee: Deere Manufacturing Co
•
Filing: 1954-12-09
•
Granted: 1957-12-17
•
Expires: 1974-12-09
Abstract
No abstract record available.
Inventors
- 👤 Edward H Fletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:58
CPC Classifications
B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/20; B60T11/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR679713A
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US1990493A
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US2102834A
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US2000187A
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US2068150A
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US2152345A
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US2291056A
Cited
US2374235A
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US2347349A
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US2547233A
Cited
US2609067A
Cited
US2590430A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |