Patent US2645734A successfully refreshed from Google Patents.
US2645734A
Expired / Lapsed
US
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Storage tube with electron multiplying and selecting electrodes
Assignee: RCA Corp
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Filing: 1949-09-29
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Granted: 1953-07-14
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Expires: 1969-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jan A Rajchman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:56
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/66; H01J21/00; H01J21/20; H01J2893/00; H01J2893/003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2230134A
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US2205207A
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US2254617A
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US2305179A
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US2407906A
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US2431510A
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US2494670A
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US2555423A
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US2548789A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |