Patent US3018096A successfully refreshed from Google Patents.
US3018096A
Expired / Lapsed
US
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Device for the exhaustion of flue-gases from arc furnaces
Assignee: ABB Norden Holding AB
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Filing: 1959-12-03
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Granted: 1962-01-23
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Expires: 1979-12-03
Abstract
No abstract record available.
Inventors
- 👤 Rydinger Mats
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:02
CPC Classifications
F; F27; F27D; F27D17/00; F27D17/30; F27D17/304; F27B; F27B3/00; F27B3/10
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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |