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Patent US2916593A successfully refreshed from Google Patents.
US2916593A
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Induction heating apparatus and its use in silicon production
Assignee: General Electric Co
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Filing: 1958-07-25
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Granted: 1959-12-08
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Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
- 👤 Carlyle S Herrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:41
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/06; C; C01; C01B; C01B33/00; C01B33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |