US2516324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant potential gradient dielectric heating device
Assignee: RCA Corp
•
Filing: 1946-02-15
•
Granted: 1950-07-25
•
Expires: 1966-02-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Joy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:15
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/46; H05B6/48; H05B6/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB375587A
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US1972050A
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US2127408A
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US2177272A
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US2337219A
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US2147689A
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US2179261A
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US2324068A
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GB556292A
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US2396004A
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US2391086A
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US2434330A
Cited
US2432412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |