US2498632A
Expired / Lapsed
US
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Manual and self-adjusting heating-electrode structure for dielectric heating
Assignee: Westinghouse Electric Corp
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Filing: 1948-04-28
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Granted: 1950-02-28
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Expires: 1968-04-28
Abstract
No abstract record available.
Inventors
- 👤 William H Anderson
- 👤 Dean S Shingler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:27
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-27 | 1953-08-29 | 1954-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-27 | 1957-08-29 | 1958-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-27 | 1961-08-29 | 1962-02-28 | $7700.00 | Window Closed / Lapsed |