Patent US3367718A successfully refreshed from Google Patents.
US3367718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mining conveyor arrangement with easily replaceable parts
Assignee: Gewerkschaft Eisenhutte Westfalia GmbH
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Filing: 1965-11-23
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Granted: 1968-02-06
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Expires: 1985-11-23
Abstract
No abstract record available.
Inventors
- 👤 Hauschopp Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:13
CPC Classifications
E; E21; E21C; E21C35/00; E21C35/08; E21C35/12; B; B65; B65G; B65G19/00; B65G19/18; E21F; E21F13/00; E21F13/06; E21F13/066
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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |