US3213620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydromechanical power transmission
Assignee: International Motors LLC
•
Filing: 1964-07-22
•
Granted: 1965-10-26
•
Expires: 1984-07-22
Abstract
No abstract record available.
Inventors
- 👤 John F Swift
- 👤 Margolin William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:43
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; F16H61/433; F16H39/00; F16H39/04; F16H39/06; F16H39/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1924017A
Cited
US2343386A
Cited
US2678536A
Cited
US3036434A
Cited
GB902185A
Cited
US3131540A
Cited
US3151456A
Cited
US3157995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |