US2693677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary turbine-type hydrokinetic torque converter with adjustable blades
Assignee: Individual
•
Filing: 1949-11-07
•
Granted: 1954-11-09
•
Expires: 1969-11-07
Abstract
No abstract record available.
Inventors
- 👤 Edward A Stalker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:53
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/48; F16H61/50; F16H61/52; F16H61/56; Y; Y10; Y10S; Y10S74/00; Y10S74/03; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/1812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1993741A
Cited
US2222618A
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US2061997A
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US2074170A
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US2318187A
Cited
US2378353A
Cited
US2363952A
Cited
US2385059A
Cited
US2428134A
Cited
US2544713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |