Patent US3473159A successfully refreshed from Google Patents.
US3473159A
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US
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Data processing system including means for protecting predetermined areas of memory
Assignee: General Electric Co
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Filing: 1966-07-07
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Granted: 1969-10-14
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Expires: 1986-07-07
Abstract
No abstract record available.
Inventors
- 👤 Harry N Cantrell
- 👤 John F Couleur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:19
CPC Classifications
G; G06; G06F; G06F12/00; G06F12/14; G06F12/1416; G06F12/1425
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3245045A
Cited
US3263218A
Cited
US3319226A
Cited
US3264615A
Cited
US3302182A
Cited
US3328765A
Cited
US3328768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |