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US3218482A Expired / Lapsed US ⏱️ 0.0 years remaining

Cryogenic neuristor employing inductance means to control superconductivity

Assignee: SRI International Inc
•
Filing: 1963-09-30
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Granted: 1965-11-16
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Expires: 1983-09-30
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Abstract

No abstract record available.

Inventors

  • 👤 Milton W Green

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 23:53
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/381; G06N; G06N3/00; G06N3/02; G06N3/06; G06N3/063; G06N3/065; G11; G11C; G11C19/00; G11C19/32

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 195 words
A CRYOGENIC NEURISTOR COMPRISING A LENGTH OF MATERIAL HAVING THER PROPERTY OF SUPERCONDITION WHEREBY WHEN IN ITS NORMAL STATE ABOVE A CRITICAL TEMPERATURE VALUE THE RESISTANCE OF SAID MATERIAL IS HIGH RELATIVE TO ITS RESISTANCE WHEN IN ITS SUPERCONDUCTING STATE BELOW THE CRITICAL VALUE TEMPERATURE, SAID MATERIAL BEING CAPABLE OF BEING DRIVEN FROM ITS SUPERCONDUCTING TO ITS NORMAL STATE BY THE APPLICATION THERETO OF A CURRENT OR MAGNETIC FIELD WHICH EXCEEDS A CRITICAL VALUE, MEANS FOR PLACING SAID MATERIAL IN ITS SUPERCONDUCTING STATE, MEANS FOR APPLYING A CONSTANT CURRENT AT AN AMPLITUDE BELOW THE CRITICAL VALUE TO SAID LENGTH OF MATERIAL, MEANS FOR CAUSING A PORTION OF SAID MATERIAL TO BECOME NORMAL, AND MEANS CONNECTED IN PARALLEL WITH SAID LENGTH OF SUPERCONDUCTIVE MATERIAL HAVING A RESISTANCE SUCH THAT WHEN SAID SUPERCONDUCTIVE MATERIAL IS NORMAL SAID MEANS CONNECTED IN PARALLEL SHUNTS SUFFICIENT CURRENT FROM SAID SUPERCONDUCTIVE MATERIAL TO ENABLE SAID SUPERCONDUCTIVE MATERIAL TO RETURN TO ITS SUPERCONDUCTING STATE AND HAVING AN INDUCTANCE VALUE RELATIVE TO THE INDUCTANCE OF SAID SUPERCONDUCTIVE MATERIAL TO DELAY THE TRANSFER OF CURRENT BETWEEN IT AND SAID SUPERCONDUCTIVE MATERIAL AT THE TIME SAID SUPERCONDUCTIVE MATERIAL SWITCHES BETWEEN ITS NORMAL AND SUPERCONDUCTIVE STATES.
Claim 2
Dependent Claim 195 words
A CRYOGENIC NEURISTOR COMPRISING A LENGTH OF MATERIAL HAVING THER PROPERTY OF SUPERCONDITION WHEREBY WHEN IN ITS NORMAL STATE ABOVE A CRITICAL TEMPERATURE VALUE THE RESISTANCE OF SAID MATERIAL IS HIGH RELATIVE TO ITS RESISTANCE WHEN IN ITS SUPERCONDUCTING STATE BELOW THE CRITICAL VALUE TEMPERATURE, SAID MATERIAL BEING CAPABLE OF BEING DRIVEN FROM ITS SUPERCONDUCTING TO ITS NORMAL STATE BY THE APPLICATION THERETO OF A CURRENT OR MAGNETIC FIELD WHICH EXCEEDS A CRITICAL VALUE, MEANS FOR PLACING SAID MATERIAL IN ITS SUPERCONDUCTING STATE, MEANS FOR APPLYING A CONSTANT CURRENT AT AN AMPLITUDE BELOW THE CRITICAL VALUE TO SAID LENGTH OF MATERIAL, MEANS FOR CAUSING A PORTION OF SAID MATERIAL TO BECOME NORMAL, AND MEANS CONNECTED IN PARALLEL WITH SAID LENGTH OF SUPERCONDUCTIVE MATERIAL HAVING A RESISTANCE SUCH THAT WHEN SAID SUPERCONDUCTIVE MATERIAL IS NORMAL SAID MEANS CONNECTED IN PARALLEL SHUNTS SUFFICIENT CURRENT FROM SAID SUPERCONDUCTIVE MATERIAL TO ENABLE SAID SUPERCONDUCTIVE MATERIAL TO RETURN TO ITS SUPERCONDUCTING STATE AND HAVING AN INDUCTANCE VALUE RELATIVE TO THE INDUCTANCE OF SAID SUPERCONDUCTIVE MATERIAL TO DELAY THE TRANSFER OF CURRENT BETWEEN IT AND SAID SUPERCONDUCTIVE MATERIAL AT THE TIME SAID SUPERCONDUCTIVE MATERIAL SWITCHES BETWEEN ITS NORMAL AND SUPERCONDUCTIVE STATES.

References Cited (Backward Citations)

US2913881A Cited
US3021434A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-15 1969-05-17 1969-11-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-15 1973-05-17 1973-11-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-15 1977-05-17 1977-11-16 $7700.00 Window Closed / Lapsed

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