US3560942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clock for overlapped memories with error correction
Assignee: International Business Machines Corp
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Filing: 1968-07-15
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Granted: 1971-02-02
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Expires: 1988-07-15
Abstract
Abstract THIS DISCLOSURE TEACHES A CLOSK CIRCUIT THAT CAN BE SHARED BY SEVERAL MEMORIES. THE CLOCK CONTROLS THE MEMORIES TO OPERATE IN AN OVERLAPPING MODE AND TO SHARE ERROR CORRECTION CIRCUITRY AND OTHER COMMON CIRCUITS.
Inventors
- 👤 Cornelius J Enright Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:15
CPC Classifications
G; G06; G06F; G06F11/00; G06F11/07; G06F11/08; G06F11/10; G06F11/1008; G06F11/1044; G06F1/00; G06F1/04; G06F13/00; G06F13/14; G06F13/16; G06F13/1668; G06F13/1689
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |