US2458236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous pouring furnace
Assignee: Scovill Inc
•
Filing: 1944-12-07
•
Granted: 1949-01-04
•
Expires: 1964-12-07
Abstract
No abstract record available.
Inventors
- 👤 Edward L Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:47
CPC Classifications
F; F27; F27D; F27D11/00; F27D11/06; Y; Y10; Y10S; Y10S266/00; Y10S266/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1458522A
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US2071890A
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US2205023A
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US2369272A
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US2360605A
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US2406147A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |