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US2599263A
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Ultrahigh-frequency electron discharge device
Assignee: RCA Corp
•
Filing: 1948-04-23
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Granted: 1952-06-03
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Expires: 1968-04-23
Abstract
No abstract record available.
Inventors
- 👤 Russell R Law
- 👤 Pensak Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:58
CPC Classifications
H; H01; H01J; H01J21/00; H01J21/02; H01J21/06; H01J21/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1628982A
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US1718632A
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US1838201A
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US2298949A
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US2410054A
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US2416302A
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US2416315A
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US2456579A
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US2466063A
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US2419578A
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US2471037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |