US3222655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Superconductive memory
Assignee: Arthur D Little Inc
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Filing: 1961-08-11
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Granted: 1965-12-07
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Expires: 1981-08-11
Abstract
No abstract record available.
Inventors
- 👤 Albert E Slade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:45
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: 2
Claim 1
Independent Claim
111 words
A PERSISTANT CURRENT MEMORY CELL COMPRISING A FIRST SUPERCONDUCTIVE PATH, A SECOND SUPERCONDUCTIVE PATH FORMING WITH SAID FIRST PATH A CLOSED, WHOLLY SUPERCONDUCTIVE LOOP ADAPTED TO SUPPORT A PERSISTENT CURRENT, CONTROL MEANS FOR QUENCHING THE FIRST PATH, AN OUTPUT GATE IN QUENCHING RELATION TO THE SECOND PATH, AN INTERROGATE CONDUCTOR IN INDUCTIVE RELATION TO SAID SECOND PATH SUCH THAT CURRENT THROUGH SAID INTERROGATE CONDUCTOR INDUCES A CURRENT IN SAID LOOP AND CAUSES SAID LOOP TO APPLY TO SAID OUTPUT GATE A MAGNETIC FIELD WHOSE VECTOR SUM INCLUDES THE FIELD OF SAID INDUCED CURRENT AND PERSISTENT CURRENT, THEREBY TO QUENCH SAID OUTPUT GATE DEPENDING ON THE PERSISTENT CURRENT CONDITION OF SAID LOOP.
Claim 2
Dependent Claim
111 words
A PERSISTANT CURRENT MEMORY CELL COMPRISING A FIRST SUPERCONDUCTIVE PATH, A SECOND SUPERCONDUCTIVE PATH FORMING WITH SAID FIRST PATH A CLOSED, WHOLLY SUPERCONDUCTIVE LOOP ADAPTED TO SUPPORT A PERSISTENT CURRENT, CONTROL MEANS FOR QUENCHING THE FIRST PATH, AN OUTPUT GATE IN QUENCHING RELATION TO THE SECOND PATH, AN INTERROGATE CONDUCTOR IN INDUCTIVE RELATION TO SAID SECOND PATH SUCH THAT CURRENT THROUGH SAID INTERROGATE CONDUCTOR INDUCES A CURRENT IN SAID LOOP AND CAUSES SAID LOOP TO APPLY TO SAID OUTPUT GATE A MAGNETIC FIELD WHOSE VECTOR SUM INCLUDES THE FIELD OF SAID INDUCED CURRENT AND PERSISTENT CURRENT, THEREBY TO QUENCH SAID OUTPUT GATE DEPENDING ON THE PERSISTENT CURRENT CONDITION OF SAID LOOP.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |