Patent US2981068A successfully refreshed from Google Patents.
US2981068A
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Hydrostatic transmission with slewable pump and motor aggregate
Assignee: Daimler Benz AG
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Filing: 1956-08-13
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Granted: 1961-04-25
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Expires: 1976-08-13
Abstract
No abstract record available.
Inventors
- 👤 Hans-Joachim M Foerster
- 👤 Fritz G Grabow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:55
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/02; F16H39/00; F16H39/04; F16H39/06; F16H39/08; F16H61/00; F16H61/38; F16H61/40; F16H61/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH168222A
Cited
US2140633A
Cited
US2257724A
Cited
US2192539A
Cited
US2220636A
Cited
US2788636A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |