Patent US2590562A successfully refreshed from Google Patents.
US2590562A
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US
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Means for progressive dielectric heating
Assignee: Westinghouse Electric Corp
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Filing: 1947-07-11
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Granted: 1952-03-25
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Expires: 1967-07-11
Abstract
No abstract record available.
Inventors
- 👤 Russell A Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:29
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/46; H05B6/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2333412A
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US2288269A
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US2354714A
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US2401991A
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US2434573A
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GB566927A
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US2453185A
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GB577208A
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US2438498A
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US2464404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |