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Patent US2969522A successfully refreshed from Google Patents.
US2969522A
Expired / Lapsed
US
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Data transmission and storage system
Assignee: International Business Machines Corp
•
Filing: 1958-06-12
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Granted: 1961-01-24
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Expires: 1978-06-12
Abstract
No abstract record available.
Inventors
- 👤 Jr James S Crosby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:39
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/0703; G06F11/0751; G06F11/0754; G06F11/076; G06F13/00; G06F13/10; G06F13/12; G06F15/00; G06F15/16; H; H04; H04L; H04L12/00; H04L12/28; H04L12/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2844815A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |