US3095757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission with hydrostatic control
Assignee: Individual
•
Filing: 1957-11-25
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Granted: 1963-07-02
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Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Thoma Hans Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:26
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/02; F16H47/04; F16H61/00; F16H61/04; F16H61/0403; F16H61/38; F16H61/40; F16H61/46; F16H61/462; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H2037/088; F16H2047/045; F16H2061/0422; F16H2061/0425; F16H2061/0433; F16H2306/00; F16H2306/40; F16H2306/46; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19153; Y10T74/19219; Y10T74/19284
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
A TRANSMISSION ADAPTED TO BE INTERPOSED BETWEEN A POWER SUPPLY SHAFT AND A POWER DELIVERY SHAFT COMPRISING IN COMBINATION, A MULTI-RATIO CHANGE SPEED GEAR, A COUPLING OPERATIVELY CONNECTED TO SAID POWER SUPPLY SHAFT HAVING TWO DRIVING MEMBERS FOR SELECTIVELY ENGAGING ONE OF TWO DRIVEN MEMBERS OPERATIVELY CONNECTED THROUGH GEARS TO SAID POWER DELIVERY SHAFT, A FIRST HYDROSTATIC DRIVE UNIT HAVING A ROTARY POWER TRANSMITTING A SHAFT OPERATIVELY CONNECTED TO THE DRIVING MEMBERS OF SAID COUPLING, A SECOND HYDROSTATIC DRIVE UNIT HAVING A ROTARY POWER TRANSMITTING SHAFT OPERATIVELY CONNECTED TO THE DRIVEN MEMBERS OF SAID COUPLING, CONDUITS HYDRAULICALLY INTERCONNECTING SAID FIRST AND SECOND HYDROSTATIC UNITS, SENSING MEANS PRODUCING AN OUTPUT DEPENDENT UPON THE DIFFERENCE IN SPEED OF SAID TWO COUPLING MEMBERS AND THE SPEED OF A DISENGAGED DRIVEN COUPLING MEMBER AND MEANS TO CONTROL THE OUTPUT SPEED OF SAID SECOND HYDROSTATIC DRIVE UNIT IN ACCORDANCE WITH SAID OUTPUT.
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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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |