Patent US2984876A successfully refreshed from Google Patents.
US2984876A
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Electric furnace crucible
Assignee: Republic Steel Corp
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Filing: 1957-07-18
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Granted: 1961-05-23
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Expires: 1977-07-18
Abstract
No abstract record available.
Inventors
- 👤 Robert J Garmy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:06
CPC Classifications
F; F27; F27B; F27B3/00; F27B3/08; F27B3/085; F27B14/00; F27B14/08; F27B14/10; F27D; F27D3/00; F27D3/12; F27D2003/125; F27D2003/127; Y; Y10; Y10S; Y10S266/00; Y10S266/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US699654A
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US672054A
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US899736A
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US1608801A
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US1719970A
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US2541764A
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US2640860A
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US2660414A
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US2601615A
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US2651668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |