US3426329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Central data processor for computer system having a divided memory
Assignee: Unisys Corp
•
Filing: 1966-02-14
•
Granted: 1969-02-04
•
Expires: 1986-02-14
Abstract
No abstract record available.
Inventors
- 👤 Hans B Marx
- 👤 Edward W Moll
- 👤 Bruce W Nutting
- 👤 Meyer Schilder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:48
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F9/34; G06F9/342; G06F12/00; G06F12/02; G06F12/06; G06F12/0615; G06F12/0623; G06F13/00; G06F13/38; G06F9/355
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3242467A
Cited
US3230513A
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US3274554A
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US3200380A
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USRE26171E
Cited
US3292151A
Cited
US3319226A
Cited
US3274562A
Cited
US3302182A
Cited
US3302187A
Cited
US3317902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |