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US2467201A
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High-frequency induction heating coil
Assignee: General Electric Co
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Filing: 1945-06-18
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Granted: 1949-04-12
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Expires: 1965-06-18
Abstract
No abstract record available.
Inventors
- 👤 Richard D Frazier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:15
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; H05B6/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE541156C
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US2118594A
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US2052010A
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US2075079A
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US2144378A
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US2270293A
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US2308240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |