US3128642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Motors Liquidation Co
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Filing: 1960-12-05
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Granted: 1964-04-14
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Expires: 1980-12-05
Abstract
No abstract record available.
Inventors
- 👤 Mark E Fisher
- 👤 Sidney A Rains
- 👤 William B Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:47
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/14; B; B60; B60W; B60W10/00; B60W10/10; B60W10/18; F16H47/00; F16H47/06; F16H47/08; F16H61/04; F16H61/06; F16H61/065; F16H2312/00; F16H2312/08; F16H61/08; F16H61/21; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN A TRANSMISSION; A DRIVE TRAIN INCLUDING A TORQUE CONVERTER HAVING AN INPUT MEMBER AND AN OUTPUT MEMBER AND A LOCKUP CLUTCH HAVING LOCKUP FLUID OPERATED MEANS ENGAGEABLE TO CONNECT SAID INPUT AND OUTPUT MEMBERS, AND A MULTIRATIO GEAR UNIT HAVING FIRST AND SECOND SPEED RATIO FLUID OPERATED MEANS OPERABLE, ON THE SUPPLY OF FLUID, TO SELECTIVELY ENGAGE A FIRST AND SECOND SPEED RATIO CONNECTED IN SERIES; A SOURCE OF FLUID UNDER PRESSURE; LOCKUP CLUTCH CONTROL MEANS OPERABLY CONNECTED TO SAID SOURCE AND SAID LOCKUP FLUID OPERATED MEANS OPERABLE TO CONNECT SAID SOURCE FOR FLOW TO SAID LOCKUP FLUID OPERATED MEANS; RATIO CONTROL MEANS INCLUDING A RESTRICTION OPERABLY CONNECTING SAID SOURCE TO SAID FIRST AND SECOND RATIO FLUID OPERATED MEANS TO CONNECT SAID SOURCE FOR FLOW THROUGH SAID RESTRICTION, PROVIDING A HIGHER DIFFERENTIAL PRESSURE ON THE UPSTREAM SIDE OF SAID RESTRICTION AND A LOWER PRESSURE ON THE DOWNSTREAM SIDE OF SAID RESTRICTION, SELECTIVELY TO SAID FIRST AND SECOND RATIO FLUID OPERATED MEANS TO SELECTIVELY ENGAGE SAID FIRST AND SECOND SPEED RATIOS OF SAID MULTIRATIO GEAR UNIT, LOCKUP CUTOFF CONTROL MEANS OPERATIVELY
Claim 2
Dependent Claim
181 words
IN A TRANSMISSION; A DRIVE TRAIN INCLUDING A TORQUE CONVERTER HAVING AN INPUT MEMBER AND AN OUTPUT MEMBER AND A LOCKUP CLUTCH HAVING LOCKUP FLUID OPERATED MEANS ENGAGEABLE TO CONNECT SAID INPUT AND OUTPUT MEMBERS, AND A MULTIRATIO GEAR UNIT HAVING FIRST AND SECOND SPEED RATIO FLUID OPERATED MEANS OPERABLE, ON THE SUPPLY OF FLUID, TO SELECTIVELY ENGAGE A FIRST AND SECOND SPEED RATIO CONNECTED IN SERIES; A SOURCE OF FLUID UNDER PRESSURE; LOCKUP CLUTCH CONTROL MEANS OPERABLY CONNECTED TO SAID SOURCE AND SAID LOCKUP FLUID OPERATED MEANS OPERABLE TO CONNECT SAID SOURCE FOR FLOW TO SAID LOCKUP FLUID OPERATED MEANS; RATIO CONTROL MEANS INCLUDING A RESTRICTION OPERABLY CONNECTING SAID SOURCE TO SAID FIRST AND SECOND RATIO FLUID OPERATED MEANS TO CONNECT SAID SOURCE FOR FLOW THROUGH SAID RESTRICTION, PROVIDING A HIGHER DIFFERENTIAL PRESSURE ON THE UPSTREAM SIDE OF SAID RESTRICTION AND A LOWER PRESSURE ON THE DOWNSTREAM SIDE OF SAID RESTRICTION, SELECTIVELY TO SAID FIRST AND SECOND RATIO FLUID OPERATED MEANS TO SELECTIVELY ENGAGE SAID FIRST AND SECOND SPEED RATIOS OF SAID MULTIRATIO GEAR UNIT, LOCKUP CUTOFF CONTROL MEANS OPERATIVELY
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) | 1967-04-14 | 1967-10-14 | 1968-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-14 | 1971-10-14 | 1972-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-14 | 1975-10-14 | 1976-04-14 | $7700.00 | Window Closed / Lapsed |