Patent US2361416A successfully refreshed from Google Patents.
US2361416A
Expired / Lapsed
US
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Fluxing material for metallurgical furnaces and method of operating said furnaces
Assignee: Individual
•
Filing: 1942-03-04
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Granted: 1944-10-31
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Expires: 1962-03-04
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Reece
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:17
CPC Classifications
F; F27; F27B; F27B1/00; F27B1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-10-31 | 1948-05-01 | 1948-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-31 | 1952-05-01 | 1952-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-31 | 1956-05-01 | 1956-10-31 | $7700.00 | Window Closed / Lapsed |