Patent US3204468A successfully refreshed from Google Patents.
US3204468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission for tractors
Assignee: Dr Ing HCF Porsche AG
•
Filing: 1962-08-06
•
Granted: 1965-09-07
•
Expires: 1982-08-06
Abstract
No abstract record available.
Inventors
- 👤 Ruoff Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:21
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/02; B; B60; B60K; B60K17/00; B60K17/04; B60K17/06; B60K17/28; B62; B62D; B62D49/00; B62D49/06; F16H37/00; F16H37/02; F16H37/06; B65; B65H; B65H2801/00; B65H2801/45; F16H2700/00; F16H2700/02; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A TRANSMISSION ARRANGEMENT FOR TRACTORS, ESPECIALLY AGRICULTURAL TRACTORS, HAVING AN ENGINE, A CONTINUOUSLY ADJUSTABLE HYDROSTATIC TRANSMISSION DIRECTLY CONNECTED WITH THE INPUT SHAFT THEREOF TO SAID ENGINE AND HAVING A TRANSMISSION OUTPUT SHAFT, AND WHEEL-DRIVE-SHAFT MEANS, COMKPRISING REDUCTION GEAR MEANS OPERATIVELY CONNECTED WITH THE INPUT GEAR THEREOF TO SAID OUTPUT SHAFT, TO THE REAR OF THE TRANSMISSION AS VIEWED IN THE NORMAL DIRECTION OF THE TRANSMISSION OF TORQUE, A DRIVEN SHAFT OPERATIVELY CONNECTED TO THE OUTPUT GEAR OF SAID REDUCTION GEAR MEANS, A TAKEOFF SHAFT, A DRIVE SHAFT FOR SAID TAKE-OFF SHAFT ADAPTED TO BE OPERATIVELY CONNECTED TO SAID ENGINE, SAID DRIVE SHAFT BEING DISPOSED ABOVE THE WHEEL-DRIVE SHAFT MEANS AND EXTENDING THROUGH SAID CONTINUOUSLY ADJUSTABLE TRANSMISSION, AND SELECTIVELY ENGAGEABLE MEANS FOR DRIVING SAID TAKE-OFF SHAFT EITHER AT A VARIABLE SPEED CORRESPONDING TO THE SPEED OF THE TRACTOR OR AT ONE OF SEVERAL SPEEDS IN DEPENDENCE ON THE ENGINE INCLUDING SAID DRIVE
Claim 2
Dependent Claim
151 words
A TRANSMISSION ARRANGEMENT FOR TRACTORS, ESPECIALLY AGRICULTURAL TRACTORS, HAVING AN ENGINE, A CONTINUOUSLY ADJUSTABLE HYDROSTATIC TRANSMISSION DIRECTLY CONNECTED WITH THE INPUT SHAFT THEREOF TO SAID ENGINE AND HAVING A TRANSMISSION OUTPUT SHAFT, AND WHEEL-DRIVE-SHAFT MEANS, COMKPRISING REDUCTION GEAR MEANS OPERATIVELY CONNECTED WITH THE INPUT GEAR THEREOF TO SAID OUTPUT SHAFT, TO THE REAR OF THE TRANSMISSION AS VIEWED IN THE NORMAL DIRECTION OF THE TRANSMISSION OF TORQUE, A DRIVEN SHAFT OPERATIVELY CONNECTED TO THE OUTPUT GEAR OF SAID REDUCTION GEAR MEANS, A TAKEOFF SHAFT, A DRIVE SHAFT FOR SAID TAKE-OFF SHAFT ADAPTED TO BE OPERATIVELY CONNECTED TO SAID ENGINE, SAID DRIVE SHAFT BEING DISPOSED ABOVE THE WHEEL-DRIVE SHAFT MEANS AND EXTENDING THROUGH SAID CONTINUOUSLY ADJUSTABLE TRANSMISSION, AND SELECTIVELY ENGAGEABLE MEANS FOR DRIVING SAID TAKE-OFF SHAFT EITHER AT A VARIABLE SPEED CORRESPONDING TO THE SPEED OF THE TRACTOR OR AT ONE OF SEVERAL SPEEDS IN DEPENDENCE ON THE ENGINE INCLUDING SAID DRIVE
References Cited (Backward Citations)
BE572538A
Cited
US2168033A
Cited
US2214805A
Cited
US2618979A
Cited
US2755903A
Cited
FR1117587A
Cited
US2945382A
Cited
FR1216245A
Cited
US2932202A
Cited
US3046813A
Cited
US3011353A
Cited
US2982153A
Cited
US2968188A
Cited
US3037572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |