Patent US3341827A successfully refreshed from Google Patents.
US3341827A
Expired / Lapsed
US
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Electrical memory device
Assignee: Arthur D Little Inc
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Filing: 1957-02-05
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Granted: 1967-09-12
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Expires: 1977-02-05
Abstract
No abstract record available.
Inventors
- 👤 Albert E Slade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:34
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/831; Y10S505/833; Y10S505/834; Y10S505/837
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PRESISTENT CURRENT MEMORY ELEMENT COMPRISING A BODY OF MATERIAL CAPABLE OF SUPERCONDUCTIVITY IN THE ABSENCE OF A MAGNETIC FIELD, A PAIR OF SIGNAL-INPUT CONDUCTORS ADJACENT SAID BODY OF MATERIAL, SAID PAIR OF SIGNALINPUT CONDUCTORS CROSSING EACH OTHER ADJACENT SAID BODY BUT NOT IN CONDUCTIVE CONTACT WITH EACH OTHER OR WITH SAID BODY, THE CROSSING OF SAID SIGNAL-INPUT CONDUCTORS DEFINING FOUR QUADRANTS ON THE SURFACE OF SAID BODY, AND AT LEAST A PAIR OF SENSING COILS ADAPTED TO SENSE CHANGES OF CURRENTS CIRCULATING IN AT LEAST A PAIR OF ADJACENT ONES OF SAID FOUR QUADRANTS.
Claim 2
Dependent Claim
95 words
A PRESISTENT CURRENT MEMORY ELEMENT COMPRISING A BODY OF MATERIAL CAPABLE OF SUPERCONDUCTIVITY IN THE ABSENCE OF A MAGNETIC FIELD, A PAIR OF SIGNAL-INPUT CONDUCTORS ADJACENT SAID BODY OF MATERIAL, SAID PAIR OF SIGNALINPUT CONDUCTORS CROSSING EACH OTHER ADJACENT SAID BODY BUT NOT IN CONDUCTIVE CONTACT WITH EACH OTHER OR WITH SAID BODY, THE CROSSING OF SAID SIGNAL-INPUT CONDUCTORS DEFINING FOUR QUADRANTS ON THE SURFACE OF SAID BODY, AND AT LEAST A PAIR OF SENSING COILS ADAPTED TO SENSE CHANGES OF CURRENTS CIRCULATING IN AT LEAST A PAIR OF ADJACENT ONES OF SAID FOUR QUADRANTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |