Patent US2425501A successfully refreshed from Google Patents.
Patent US3204486A successfully refreshed from Google Patents.
US3204486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infinitely variable power transmission
Assignee: Individual
•
Filing: 1963-03-06
•
Granted: 1965-09-07
•
Expires: 1983-03-06
Abstract
No abstract record available.
Inventors
- 👤 Lalio George M De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:43
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/42; F16H47/00; F16H47/02; F16H47/04; F16H61/423; F16H61/433; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/10; F16H2037/101; F16H2037/102; F16H37/0806; F16H37/0813
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
AN INFINITELY VARIABLE POWER TRANSMISSION COMPRISING AN INPUT MEANS, A FIRST INTERMEDIATE DRIVING CONNECTION, A SECOND INTERMEDIATE DRIVING CONNECTION, AND AN OUTPUT MEANS, SAID FIRST AND SECOND INTERMEDIATE DRIVING CONNECTIONS EACH BEING DRIVINGLY CONNECTED TO SAID INPUT MEANS BY FIRST AND SECOND PLANETARY GEARING EACH INCLUDING A PLURALITY OF MEMBERS, A HYDROSTATIC POWER TRANSMISSION MEANS INCLUDING A FIRST PORTION DRIVINGLY CONNECTED TO ONE MEMBER OF THE FIRST PLANETARY GEARING AND A SECOND PORTION DRIVINGLY CONNECTED TO ONE MEMBER OF THE SECOND PLANETARY GEARING, EACH OF SAID PORTIONS INCLUDING CYLINDERS HAVING PISTONS DISPOSED THEREIN, MEANS PROVIDING FLUID COMMUNICATION BETWEEN SAID PORTIONS AND A SWASH PLATE MEANS OPERATIVELY ASSOCIATED WITH EACH OF SAID PORTIONS FOR CONTROLLING THE MOVEMENT OF THE ISTONS THEREIN, EACH OF SAID INTERMEDIATE DRIVING CONNECTIONS BEING SELECTIVELY CONNECTABLE TO SAID OUTPUT MEANS BY AT LEAST ONE SELECTIVELY ENGAGEABLE AND DISENGAGEABLE CLUTCH MEANS, AND A CONTROL SYSTEM, SAID CONTROL SYSTEM INCLUDING ACTUATOR MEANS CON-
Claim 2
Dependent Claim
154 words
AN INFINITELY VARIABLE POWER TRANSMISSION COMPRISING AN INPUT MEANS, A FIRST INTERMEDIATE DRIVING CONNECTION, A SECOND INTERMEDIATE DRIVING CONNECTION, AND AN OUTPUT MEANS, SAID FIRST AND SECOND INTERMEDIATE DRIVING CONNECTIONS EACH BEING DRIVINGLY CONNECTED TO SAID INPUT MEANS BY FIRST AND SECOND PLANETARY GEARING EACH INCLUDING A PLURALITY OF MEMBERS, A HYDROSTATIC POWER TRANSMISSION MEANS INCLUDING A FIRST PORTION DRIVINGLY CONNECTED TO ONE MEMBER OF THE FIRST PLANETARY GEARING AND A SECOND PORTION DRIVINGLY CONNECTED TO ONE MEMBER OF THE SECOND PLANETARY GEARING, EACH OF SAID PORTIONS INCLUDING CYLINDERS HAVING PISTONS DISPOSED THEREIN, MEANS PROVIDING FLUID COMMUNICATION BETWEEN SAID PORTIONS AND A SWASH PLATE MEANS OPERATIVELY ASSOCIATED WITH EACH OF SAID PORTIONS FOR CONTROLLING THE MOVEMENT OF THE ISTONS THEREIN, EACH OF SAID INTERMEDIATE DRIVING CONNECTIONS BEING SELECTIVELY CONNECTABLE TO SAID OUTPUT MEANS BY AT LEAST ONE SELECTIVELY ENGAGEABLE AND DISENGAGEABLE CLUTCH MEANS, AND A CONTROL SYSTEM, SAID CONTROL SYSTEM INCLUDING ACTUATOR MEANS CON-
References Cited (Backward Citations)
US2817250A
Cited
US2808737A
Cited
US2962915A
Cited
US2914965A
Cited
US2917948A
Cited
US2972905A
Cited
US2939342A
Cited
US3023638A
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 |