US2635176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio-frequency heating system
Assignee: RCA Corp
•
Filing: 1949-09-01
•
Granted: 1953-04-14
•
Expires: 1969-09-01
Abstract
No abstract record available.
Inventors
- 👤 George H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:24
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/20; H01P1/213; H05; H05B; H05B6/00; H05B6/46; H05B6/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2128400A
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US2251997A
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US2250308A
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US2249963A
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US2341408A
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US2337184A
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US2381223A
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US2341120A
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US2473328A
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US2495429A
Cited
US2539651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |