Patent US3389382A successfully refreshed from Google Patents.
US3389382A
Expired / Lapsed
US
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Electron beam readout of stored information
Assignee: International Business Machines Corp
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Filing: 1964-04-27
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Granted: 1968-06-18
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Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Hart Donald Mills
- 👤 Werning Joseph Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:32
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; G; G11; G11C; G11C13/00; G11C13/04; G11C13/048; H01; H01J; H01J29/00; H01J29/02; H01J29/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2297752A
Cited
US2657378A
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US2901662A
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US2859376A
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US3003110A
Cited
US3168726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |