US2747430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Change speed gear with hydrodynamic clutch
Assignee: Daimler Benz AG
•
Filing: 1951-05-23
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Granted: 1956-05-29
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Expires: 1971-05-23
Abstract
No abstract record available.
Inventors
- 👤 Hans-Joachim M Forster
- 👤 Karl A Kollmann
- 👤 Theodor F Kummich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:11
CPC Classifications
F; F16; F16D; F16D67/00; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19149; Y10T74/19219; Y10T74/19228; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR938552A
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US2453794A
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US2534134A
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US2627189A
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US2507999A
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US2620684A
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US2591342A
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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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |