US2655550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Melting furnace with thermocouple reception means
Assignee: Olin Industries Inc
•
Filing: 1951-05-29
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Granted: 1953-10-13
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Expires: 1971-05-29
Abstract
No abstract record available.
Inventors
- 👤 Carl M Zvanut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:04
CPC Classifications
F; F27; F27B; F27B14/00; F27B14/06; F27B14/061; F27B14/065; G; G01; G01K; G01K1/00; G01K1/08; G01K1/12; G01K1/125; F27D; F27D99/00; F27D99/007; Y; Y10; Y10S; Y10S266/00; Y10S266/90
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) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |