US2651918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary hydraulic torque converter with dynamic braking
Assignee: Motors Liquidation Co
•
Filing: 1949-07-30
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Granted: 1953-09-15
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Expires: 1969-07-30
Abstract
No abstract record available.
Inventors
- 👤 Oliver K Kelley
- 👤 William S Wolfram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:28
CPC Classifications
F; F16; F16H; F16H45/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |