US3471838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simultaneous read and write memory configuration
Assignee: Magnavox Electronic Systems Co
•
Filing: 1965-06-21
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Granted: 1969-10-07
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Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Luther W Ricketts Jr
- 👤 George L Buenger
- 👤 Robert J Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:42
CPC Classifications
G; G11; G11C; G11C8/00; G11C8/16; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06014; G11C11/06021; G11C11/06028; G11C11/06042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3054988A
Cited
US3050716A
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USRE25660E
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US3068452A
Cited
US3251044A
Cited
US3339186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |