US2632838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultrahigh-frequency electromag-netic radiation heating method and apparatus
Assignee: General Electric Co
•
Filing: 1948-03-04
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Granted: 1953-03-24
•
Expires: 1968-03-04
Abstract
No abstract record available.
Inventors
- 👤 George W Schroeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:13
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/64; H05B6/6408; H05B6/6411
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2151157A
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US2232179A
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US2263681A
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US2304958A
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US2364526A
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US2512604A
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US2500752A
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US2495170A
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US2480679A
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US2467230A
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US2483933A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |