US2127889A
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Method and apparatus for determining the temperatures of molten baths
Assignee: United States Steel Corp
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Filing: 1935-11-30
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Granted: 1938-08-23
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Expires: 1955-11-30
Abstract
No abstract record available.
Inventors
- 👤 William E Shenk
- 👤 Bernard M Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:34
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/02; G01J5/08; F; F23; F23N; F23N1/00; F23N1/002; F23N5/00; F23N5/02; F23N5/08; F23N5/082; F27; F27B; F27B3/00; F27B3/10; F27B3/28; F27D; F27D21/00; F27D21/02; G01J5/0037; G01J5/004; G01J5/0295; G01J5/0846; F23N2229/00; F23N2229/16
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) | 1941-08-22 | 1942-02-21 | 1942-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-22 | 1946-02-21 | 1946-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-22 | 1950-02-21 | 1950-08-23 | $7700.00 | Window Closed / Lapsed |