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Patent US2813992A successfully refreshed from Google Patents.
US2813992A
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Gas discharge device utilizing controlled electron trapping
Assignee: RCA Corp
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Filing: 1952-11-29
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Granted: 1957-11-19
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Expires: 1972-11-29
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Linder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:47
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US815384A
Cited
US1144029A
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GB147856A
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US1897761A
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US1874407A
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US2352657A
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US2456896A
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US2447377A
Cited
US2513933A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |