US3401376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Central processor
Assignee: Unisys Corp
•
Filing: 1965-11-26
•
Granted: 1968-09-10
•
Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 George H Barnes
- 👤 Richard E Bradley
- 👤 Simon E Gluck
- 👤 Sankin Albert
- 👤 Shifman Joseph
- 👤 Richard A Stokes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:15
CPC Classifications
G; G11; G11C; G11C15/00; G11C15/04; G06; G06F; G06F12/00; G06F12/02; G06F12/08; G06F12/0802; G06F15/00; G06F15/76; G06F15/78; G06F9/00; G06F9/06; G06F9/30; G06F9/38; G06F9/3867
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3158844A
Cited
US3156897A
Cited
US3223976A
Cited
US3242465A
Cited
US3229260A
Cited
USRE26171E
Cited
US3319226A
Cited
US3287702A
Cited
US3287703A
Cited
US3323109A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |