US2687616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary hydraulic torque converter
Assignee: Motors Liquidation Co
•
Filing: 1949-01-11
•
Granted: 1954-08-31
•
Expires: 1969-01-11
Abstract
No abstract record available.
Inventors
- 👤 Oliver K Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:20
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/48; F16H61/50; F16H61/58; F16H61/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2142178A
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US2603943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |