Patent US3434121A successfully refreshed from Google Patents.
US3434121A
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Cryoelectric memory system
Assignee: RCA Corp
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Filing: 1966-06-10
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Granted: 1969-03-18
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Expires: 1986-06-10
Abstract
No abstract record available.
Inventors
- 👤 Robert A Gange
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:17
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831; Y10S505/833; Y10S505/834; Y10S505/836
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
A CRYOELECTRIC MEMORY SYSTEM COMPRISING: P MEMORY PLANES, WHERE P IS AN INTEGER; P GROUPS OF B DRIVE LINES, ONE GROUP FOR EACH PLANE, EACH GROUP OF LINES PASSING BACK AND FORTH A PLURALITY OF TIMES OVER ITS PLANE; A PLURALITY OF A DRIVE LINES, EACH SUCH LINE PASSING OVER ALL MEMORY PLANES, AND EACH SUCH LINE CROSSING EACH B LINE AT A PLURALITY OF DIFFERENT LOCATIONS ON EACH PLANE; A PLURALITY OF PERSISTENT CURRENT STORAGE ELEMENTS AT EACH PLANE, ONE AT EACH LOCATION WHERE AN A WIRE CROSSES A B WIRE; AND A PLURALITY OF A SENSE LINES AT EACH PLANE, EACH SUCH SENSE LINE BEING COUPLED ONLY TO THE PERSISTENT CURRENT ELEMENTS ON A PLANE WHICH STORE BITS OF THE SAME SIGNIFICANCE.
References Cited (Backward Citations)
US3373410A
Cited
US3264617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |