Patent US3293947A successfully refreshed from Google Patents.
US3293947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque converter and variable drive
Assignee: Individual
•
Filing: 1964-07-27
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Granted: 1966-12-27
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Expires: 1984-07-27
Abstract
No abstract record available.
Inventors
- 👤 Chery Walter Valdemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:04
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/48; F16H15/50; F16H15/506
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A TRANSMISSION COMPRISING A SHAFT, SPACED SUN WHEELS SLIDABLY AND NON-ROTATABLY SUPPORTED ON SAID SHAFT, SPACED REACTION RINGS DISPOSED GENERALLY CONCENTRIC TO SAID SHAFT AND SAID SUN WHEELS, RESILIENT MEANS ON SAID SHAFT URGING SAID SUN WHEELS TOWARD EACH OTHER, RESILIENT MEANS URGING SAID REACTION RINGS TOWARD EACH OTHER, A PLANETARY CAGE DISPOSED GENERALLY CONCENTRIC TO SAID SHAFT AND EXTENDING BETWEEN SAID RINGS AND SAID SUN WHEELS, SAID RING MEMBERS EACH HAVING AN INTERNAL PERIPHERAL SURFACE INCLINED RADIALLY OUTWARD AND TOWARD THE OTHER OF SAID RING MEMBERS, EACH SAID SUN WHEELS HAVING AN OUTSIDE PERIPHERAL SURFACE INCLINING RADIALLY OUTWARD AND AWAY FROM THE OTHER SAID SUN WHEEL, AND PLANETARY ROLLING ELEMENTS IN SAID PLANETARY MEMBER ENGAGING SAID INCLINED SURFACES OF SAID RING MEMBERS AND SAID SUN MEMBERS AND BEING PRELOADED BY A FORCE EXERTED BY SAID SUN WHEELS AND SAID RESILIENT MEANS.
Claim 2
Dependent Claim
142 words
A TRANSMISSION COMPRISING A SHAFT, SPACED SUN WHEELS SLIDABLY AND NON-ROTATABLY SUPPORTED ON SAID SHAFT, SPACED REACTION RINGS DISPOSED GENERALLY CONCENTRIC TO SAID SHAFT AND SAID SUN WHEELS, RESILIENT MEANS ON SAID SHAFT URGING SAID SUN WHEELS TOWARD EACH OTHER, RESILIENT MEANS URGING SAID REACTION RINGS TOWARD EACH OTHER, A PLANETARY CAGE DISPOSED GENERALLY CONCENTRIC TO SAID SHAFT AND EXTENDING BETWEEN SAID RINGS AND SAID SUN WHEELS, SAID RING MEMBERS EACH HAVING AN INTERNAL PERIPHERAL SURFACE INCLINED RADIALLY OUTWARD AND TOWARD THE OTHER OF SAID RING MEMBERS, EACH SAID SUN WHEELS HAVING AN OUTSIDE PERIPHERAL SURFACE INCLINING RADIALLY OUTWARD AND AWAY FROM THE OTHER SAID SUN WHEEL, AND PLANETARY ROLLING ELEMENTS IN SAID PLANETARY MEMBER ENGAGING SAID INCLINED SURFACES OF SAID RING MEMBERS AND SAID SUN MEMBERS AND BEING PRELOADED BY A FORCE EXERTED BY SAID SUN WHEELS AND SAID RESILIENT MEANS.
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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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |