US2429989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic brake
Assignee: Timken Detroit Axle Co
•
Filing: 1944-07-31
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Granted: 1947-11-04
•
Expires: 1964-07-31
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Buckendale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:05
CPC Classifications
F; F16; F16D; F16D57/00; F16D57/005; F16D57/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1610830A
Cited
US2073357A
Cited
GB466436A
Cited
US2185491A
Cited
US2219215A
Cited
US2241189A
Cited
US2280897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-03 | 1951-05-05 | 1951-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-03 | 1955-05-05 | 1955-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-03 | 1959-05-05 | 1959-11-04 | $7700.00 | Window Closed / Lapsed |