US3090252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating member infinitely variable transmission
Assignee: Borg Warner Corp
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Filing: 1959-02-04
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Granted: 1963-05-21
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Expires: 1979-02-04
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Mamo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:03
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085; F16H41/00; F16H41/24; F16H41/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
IN A TRANSMISSION, THE COMBINATION OF A DRIVE SHAFT, A DRIVEN SHAFT, A HYDRAULIC TORQUE CONVERTER HAVING AN IMPELLER AND A TURBINE AND A FLOATER MEMBER AND A STATOR, SAID IMPELLER BEING CONNECTED TO BE DRIVEN FROM SAID DRIVE SHAFT, A PLANETARY GEAR SET HVING THREE ELEMENTS ONE OF WHICH IS CONNECTED TO SAID DRIVEN SHAFT AND A SECOND OF WHICH IS CONNECTED TO SAID TURBINE, A BRAKE FOR SAID SECOND ELEMENT AND TURBINE, AND CLUTCH MECHANISM FOR CONNECTING SAID FLOATER MEMBER AND THE THIRD OF SAID ELEMENTS SO THAT WHEN SAID BRAKE AND SAID CLUTCH ARE ENGAGED SAID FLOATER MEMBER DRIVES SAID DRIVEN SHAFT THROUGH SAID PLANETARY GEAR SET.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |