US2951899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage method and apparatus
Assignee: General Electric Co
•
Filing: 1954-08-30
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Granted: 1960-09-06
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Expires: 1974-08-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold R Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:20
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/28; H01J31/283; H04; H04N; H04N7/00; H04N7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2202605A
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US2321611A
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US2368884A
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US2548789A
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US2687492A
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US2622219A
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US2629011A
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US2629010A
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US2667596A
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US2687484A
Cited
US2699512A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |