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US3188488A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi-stable superconductive electrical circuit

Assignee: Arthur D Little Inc
•
Filing: 1962-02-14
•
Granted: 1965-06-08
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Expires: 1982-02-14
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Abstract

No abstract record available.

Inventors

  • 👤 Smallman Carl Russell
  • 👤 Alfred G Emslie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 11:55
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/21; G11C11/44; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/856; Y10S505/857; Y10S505/863

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 174 words
A MULTI-STABLE ELECTRICAL CIRCUIT COMPRISING CURRENT INPUT AND OUTPUT TERMINALS SUPERCONDUCTIVE MEANS FORMING AT LEAST TWO CURRENT CARRYING PATHS BETWEEN SAID TERMINALS, SAID SUPERCONDUCTIVE MEANS BEING RESPONSIVE TO A MAGNETIC FIELD TO CHANGE BETWEEN A STATE OF ZERO RESISTANCE AND A RESISTIVE STATE, SAID PATHS BEING MAGNETICALLY INDEPENDENT OF EACH OTHER SO THAT CURRENT MAY FLOW SIMULTANEOUSLY IN BOTH PATHS, FOR EACH PATH CONTROL MEANS FOR INDEPENDENTLY APPLYING A MAGNETIC FIELD TO SAID PATH THEREBY TO INFLUENCE A CHANGE OF PATH TO RESISTIVE STATE, WHEREBY CURRENT MAY BE DIVERTED FROM SAID PATH IN RESISTIVE STATE TO THE OTHER PATH IN NON-RESISTIVE STATE, AND SUPERCONDUCTIVE GATE MEANS IN THE MAGNETIC FIELD OF EACH OF SAID PATHS, SAID GATE MEANS BEING INFLUENCED WHEN CURRENT IS DIVERTED AS AFORESAID, WHEREBY SAID CIRCUIT CAN ASSUME ANY ONE OF THREE STABLE STATES, A STATE IN WHICH CURRENT FLOWS IN ONE OF SAID TWO PATHS, A STATE IN WHICH CURRENT FLOWS IN THE OTHER OF SAID PATHS, AND A CONDITION IN WHICH CURRENT FLOWS IN BOTH OF SAID PATHS SIMULTANEOUSLY.

References Cited (Backward Citations)

US2832897A Cited
DE1094801B Cited
US2959688A Cited
US2958836A Cited
US3015041A Cited
US2989714A Cited
US3047743A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-07 1968-12-07 1969-06-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-07 1972-12-07 1973-06-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-07 1976-12-07 1977-06-08 $7700.00 Window Closed / Lapsed

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