Patent US3503281A successfully refreshed from Google Patents.
US3503281A
Expired / Lapsed
US
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Power transmitting plant with controllable fluid coupling
Assignee: Voith Getriebe KG
•
Filing: 1967-03-06
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Granted: 1970-03-31
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Expires: 1987-03-06
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Gsching
- 👤 Dieter Rottmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:48
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/02; F16H47/04; F16D; F16D67/00; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H37/084; F16H2037/088; F16H2700/00; F16H2700/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1973-03-30 | 1973-09-29 | 1974-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-30 | 1977-09-29 | 1978-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-30 | 1981-09-29 | 1982-03-31 | $7700.00 | Window Closed / Lapsed |