US2436024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annealing furnace
Assignee: CONTINENTAL STEEL Corp
•
Filing: 1942-01-20
•
Granted: 1948-02-17
•
Expires: 1962-01-20
Abstract
No abstract record available.
Inventors
- 👤 Smith Leander Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:27
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE15000E
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US1247015A
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US1599165A
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US1734871A
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DE468653C
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US2024024A
Cited
US2217363A
Cited
US2089843A
Cited
US2194977A
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US2276971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-16 | 1951-08-18 | 1952-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-16 | 1955-08-18 | 1956-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-16 | 1959-08-18 | 1960-02-17 | $7700.00 | Window Closed / Lapsed |