Patent US2767243A successfully refreshed from Google Patents.
US2767243A
Expired / Lapsed
US
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Magnetic tape storage of intelligence
Assignee: Western Union Telegraph Co
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Filing: 1951-07-02
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Granted: 1956-10-16
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Expires: 1971-07-02
Abstract
No abstract record available.
Inventors
- 👤 Steeneck Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/02; H04L13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2230913A
Cited
US2195192A
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US2550427A
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US2560474A
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US2554835A
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US2531642A
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US2546829A
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US2564403A
Cited
US2618709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |