Patent US3555931A successfully refreshed from Google Patents.
US3555931A
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Hydrodynamic transmission
Assignee: Voith Getriebe KG
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Filing: 1968-10-14
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Granted: 1971-01-19
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Expires: 1988-10-14
Abstract
Abstract A TRANSMISSION WITH AT LEAST ONE PAIR OF CONVERTERS, IN WHICH THE CONVERTERS OF EACH PAIR ARE OFFSET WITH REGARD TO EACH OTHER IN AXIAL DIRECTION BY AT LEAST THE AXIAL STRUCTURAL LENGTH OF ONE CONVERTER AND ARE IN RADIAL DIRECTION SO CLOSE TO EACH OTHER THAT WHEN VIEWED IN AXIAL DIRECTION THE CONVERTERS OVERLAP EACH OTHER, THE CONVERTERS OF EACH PAIR OF CONVERTERS HAVING A UNITARY COMMON SELF-SUPPORTING HOUSING IN WHICH THE BLADES, BEARINGS, AND OTHER PERTAINING PARTS ARE MOUNTED.
Inventors
- 👤 Erich Polzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:59
CPC Classifications
F; F16; F16H; F16H41/00; F16H41/04; F16H41/22; F16H47/00; F16H47/06; F16H47/07; F16H41/24; F16H2041/246; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19033; Y10T74/19037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |