Patent US3458235A successfully refreshed from Google Patents.
US3458235A
Expired / Lapsed
US
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Scraper-chain conveyor,particularly face conveyor,suitable for cooperation with a getting machine
Assignee: MAS FAB und EISENGIESSERI A BE
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Filing: 1968-02-29
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Granted: 1969-07-29
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Expires: 1988-02-29
Abstract
No abstract record available.
Inventors
- 👤 Arnold Romer
- 👤 Johannes Rinio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:28
CPC Classifications
B; B65; B65G; B65G19/00; B65G19/18; B65G19/28
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) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |