US3415057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic free-wheeling means for the hydraulic drives of conveyors and the like
Assignee: Gewerkschaft Eisenhutte Westfalia GmbH
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Filing: 1966-11-14
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Granted: 1968-12-10
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Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Rosenberg Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:11
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/40; F16H61/4043; B; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/10; B62D11/14; B62D11/18; B62D11/183; B65; B65G; B65G23/00; F16H39/00; F16H39/02; B65G2811/00; B65G2811/09; B65G2811/091; B65G2811/092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |