US3073183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transmission
Assignee: Motors Liquidation Co
•
Filing: 1958-04-18
•
Granted: 1963-01-15
•
Expires: 1978-04-18
Abstract
No abstract record available.
Inventors
- 👤 Oliver K Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:11
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/42; B64C25/44; B64C25/48; F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H61/00; F16H61/14; F16H61/02; F16H61/0262; F16H61/0274; Y; Y10; Y10S; Y10S74/00; Y10S74/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
IN A TRANSMISSION, THE COMBINATION OF A DRIVE SHAFT, A DRIVEN SHAFT, MEANS FOR PROVIDING A FIRST POWER TRAIN BETWEEN SAID SHAFTS INCLUDING A HYDRODYNAMIC COUPLING DEVICE HAVING A BLADED DRIVING ELEMENT AND A BLADED DRIVEN ELEMENT WITHIN A FLUID HOUSING, MEANS FOR PROVIDING A SECOND ALTERNATE POWER TRAIN BETWEEN SAID SHAFTS INCLUDING A CLUTCH AND A FLUID PRESSURE OPERATED PISTON WITHIN SAID HOUSING ACTING AGAINST THE FLUID PRESSURE IN THE HOUSING TO ENGAGE SAID CLUTCH, MEANS FOR CIRCULATING FLUID THROUGH SAID HYDRODYNAMIC COUPLING DEVICE INCLUDING A FLUID INLET TO SAID FLUID HOUSING, MEANS FOR MAINTAINING THE FLUID IN SAID HOUSING AT A CERTAIN PRESSURE WHEN SAID FIRST POWER TRAIN IS COMPLETED, AND MEANS FOR REDUCING THE PRESSURE IN SAID HOUSING WHEN SAID SECOND POWER TRAIN IS COMPLETED AND INCLUDING MEANS FORMING A RESTRICTION IN THE FLUID INLET OF SAID HYDRODYNAMIC COUPLING DEVICE, MEANS FORMING A SECOND RELATIVELY UNRESTRICTED PASSAGE IN PARALLEL WITH SAID RESTRICTION, AND A PISTON SUBJECT TO THE PRESSURE OF THE FLUID APPLIED TO SAID PISTON FOR SAID CLUTCH FOR CLOSING SAID PARALLEL PASSAGE WHEN CLUTCH ENGAGING FLUID PRESSURE IS APPLIED TO SAID CLUTCH PISTON.
Claim 2
Dependent Claim
188 words
IN A TRANSMISSION, THE COMBINATION OF A DRIVE SHAFT, A DRIVEN SHAFT, MEANS FOR PROVIDING A FIRST POWER TRAIN BETWEEN SAID SHAFTS INCLUDING A HYDRODYNAMIC COUPLING DEVICE HAVING A BLADED DRIVING ELEMENT AND A BLADED DRIVEN ELEMENT WITHIN A FLUID HOUSING, MEANS FOR PROVIDING A SECOND ALTERNATE POWER TRAIN BETWEEN SAID SHAFTS INCLUDING A CLUTCH AND A FLUID PRESSURE OPERATED PISTON WITHIN SAID HOUSING ACTING AGAINST THE FLUID PRESSURE IN THE HOUSING TO ENGAGE SAID CLUTCH, MEANS FOR CIRCULATING FLUID THROUGH SAID HYDRODYNAMIC COUPLING DEVICE INCLUDING A FLUID INLET TO SAID FLUID HOUSING, MEANS FOR MAINTAINING THE FLUID IN SAID HOUSING AT A CERTAIN PRESSURE WHEN SAID FIRST POWER TRAIN IS COMPLETED, AND MEANS FOR REDUCING THE PRESSURE IN SAID HOUSING WHEN SAID SECOND POWER TRAIN IS COMPLETED AND INCLUDING MEANS FORMING A RESTRICTION IN THE FLUID INLET OF SAID HYDRODYNAMIC COUPLING DEVICE, MEANS FORMING A SECOND RELATIVELY UNRESTRICTED PASSAGE IN PARALLEL WITH SAID RESTRICTION, AND A PISTON SUBJECT TO THE PRESSURE OF THE FLUID APPLIED TO SAID PISTON FOR SAID CLUTCH FOR CLOSING SAID PARALLEL PASSAGE WHEN CLUTCH ENGAGING FLUID PRESSURE IS APPLIED TO SAID CLUTCH PISTON.
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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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |