US2450362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for electric resistance heating of metals and controls therefor
Assignee: American Steel and Wire Company of New Jersey
•
Filing: 1945-03-02
•
Granted: 1948-09-28
•
Expires: 1965-03-02
Abstract
No abstract record available.
Inventors
- 👤 William H Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:37
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US347140A
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US1402723A
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US1414366A
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US1501369A
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US1402722A
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US1760155A
Cited
US2018379A
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US1877874A
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US2015184A
Cited
US2175022A
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US2337124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-28 | 1952-03-29 | 1952-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-28 | 1956-03-29 | 1956-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-28 | 1960-03-29 | 1960-09-28 | $7700.00 | Window Closed / Lapsed |