Patent US3514758A successfully refreshed from Google Patents.
US3514758A
Expired / Lapsed
US
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Digital computer system having multi-line control unit
Assignee: Unisys Corp
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Filing: 1967-03-27
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Granted: 1970-05-26
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Expires: 1987-03-27
Abstract
No abstract record available.
Inventors
- 👤 James Russell Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:20
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/22; G06F9/26; G06F13/00; G06F13/14; G06F13/20; G06F13/22; G06F13/38; G06F13/382; G06F13/385; G06F3/00; G06F3/01; G06F3/048; G06F3/0487; G06F3/0489
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3225334A
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US3147404A
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US3248709A
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US3210773A
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US3274561A
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US3297996A
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US3308442A
Cited
US3411141A
Cited
US3416139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |