US3274858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Deere and Co
•
Filing: 1964-01-17
•
Granted: 1966-09-27
•
Expires: 1984-01-17
Abstract
No abstract record available.
Inventors
- 👤 Raymond J Meyer
- 👤 James K Jensen
- 👤 Peter D Wetrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:33
CPC Classifications
F; F16; F16H; F16H59/00; F16H59/02; F16H3/00; F16H3/44; F16H3/62; F16H3/66; F16H3/663; F16H61/00; F16H61/02; F16H61/0262; F16H2003/445; F16H2200/00; F16H2200/003; F16H2200/006; F16H2200/0082; F16H2200/0091; F16H2200/20; F16H2200/2002; F16H2200/2007; F16H2200/201; F16H2200/202; F16H2200/2023; F16H2200/203; F16H2200/2048; F16H2716/00; F16H2716/04; F16H2716/06; F16H61/68; F16H61/684; F16H61/686; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
157 words
A TRANSMISSION, COMPRISING: A FRONT SECTION HAVING PLANETARY GEARING INCLUDING TWO CLUTCHES AND TWO BARKES SELECTIVELY ENGAGEABLE IN FOUR CLUTCH-BRAKE COMBINATIONS TO PRODUCE FOUR FORWARD SPEEDS IN AN INTERMEDIATE DRIVE ELEMENT; A REAR SECTION INCLUDING PLANETARY GEARING DRIVEN BY SAID ELEMENT, AN OUTPUT SHAFT, A THIRD CLUTCH ACTING ON SAID REAR SECTION GEARING AND ENGAGEABLE IN ALL OF SAID FOUR COMBINATIONS TO UTILIZE SAID FOUR SPEEDS TO DRIVE THE OUTPUT SHAFT AT FOUR FORWARD SPEEDS, AND A THIRD BRAKE ACTING ON SAID REAR SECTION GEARING ENGAGEABLE, IN LIEU OF SAID THIRD CLUTCH, IN ALL OF SAID FOUR COMBINATIONS TO UTILIZE SAID FOUR SPEEDS TO DRIVE THE OUTPUT SHAFT IN REVERSE; AND A FLUID PRESSURE CONTROL SYSTEM INCLUDING A PRESSURE SOURCE, FOUR SELECTIVELY CHARGEABLE ACTUATORS FOR RESPECTIVELY ENGAGING SAID FRONT SECTION CLUTCHES AND BRAKES, TWO ADDITIONAL ACTUATORS SELECTIVELY CHARGEABLE FOR RESPECTIVELY ENGAGING THE THIRD CLUTCH AND THIRD BRAKE, A FIRST VALVE MOVABLE SELECTIVELY AMONG FOUR POSITIONS FOR CONNECTING
References Cited (Backward Citations)
US3125201A
Cited
US2693260A
Cited
US2697368A
Cited
US3016769A
Cited
US3033333A
Cited
US2929478A
Cited
US3101011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |