Patent US3188488A successfully refreshed from Google Patents.
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
•
Expires: 1982-02-14
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 22:14
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 |