Patent US2982878A successfully refreshed from Google Patents.
US2982878A
Expired / Lapsed
US
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Electrode support
Assignee: RCA Corp
•
Filing: 1954-11-23
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Granted: 1961-05-02
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Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 Smith Edgar Merle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:53
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US171394A
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US1973006A
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US2056751A
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US2144820A
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US2430478A
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US2463577A
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US2561247A
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US2701320A
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US2707848A
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US2732511A
Cited
US2834907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |