Patent US2724037A successfully refreshed from Google Patents.
US2724037A
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US
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Induction heating apparatus
Assignee: Westinghouse Electric Corp
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Filing: 1952-06-26
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Granted: 1955-11-15
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Expires: 1972-06-26
Abstract
No abstract record available.
Inventors
- 👤 Ashley P Bock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:58
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/04; H05B6/06; H05B6/10; H05B6/101; H05B6/103; H05B6/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB605776A
Cited
US2381057A
Cited
US2381323A
Cited
GB605777A
Cited
US2508321A
Cited
US2583227A
Cited
US2570798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |