US2448009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductive heating of longitudinally moving metal strip
Assignee: Westinghouse Electric Corp
•
Filing: 1944-02-05
•
Granted: 1948-08-31
•
Expires: 1964-02-05
Abstract
No abstract record available.
Inventors
- 👤 Robert M Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:15
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C21D9/60; Y; Y02; Y02P; Y02P10/00; Y02P10/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2209637A
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US1932423A
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US1912214A
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US2064589A
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US1997272A
Cited
US2003136A
Cited
US1937420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |