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US3218615A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic memory system and solenoid therefor

Assignee: Automatic Electric Laboratories Inc
•
Filing: 1962-05-23
•
Granted: 1965-11-16
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Expires: 1982-05-23
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Abstract

No abstract record available.

Inventors

  • 👤 William A Reimer
  • 👤 Konstanty E Krylow

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 09:13
CPC Classifications
G; G11; G11C; G11C17/00; G11C17/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 124 words
A MAGNETIC MEMORY COMPRISING IN COMBINATION A PLURALITY OF ELONGATED MAGNETIC STORAGE ELEMENTS AND AT LEAST ONE SOLENOID EXTENDING TRANSVERSELY AND IN OVERLYING RELATION THERETO, SAID SOLENOID INCLUDING A SUBSTRATE OF INSULATING MATERIAL AND AN EXCITATION WINDING HAVING A SET OF INDIVIDUAL TURNS DISPOSD IN COPLANAR RELATIVELY CLOSELY SPACED RELATION ON SAID SUBSTRATE TO DEFINE STORAGE LOCATIONS AT THE INTERSECTIONS BETWEEN SAID WINDING AND SAID ELEMENTS AND HAVING CONNECTING MEANS FOR PERMITTING AN EXCITATION CURRENT TO BE DRIVEN SERIALLY THROUGH SAID SET OF COPLANAR TURNS SO THAT THE CURRENT THROUGH ADJACENT ONES OF SAID TURNS OF SAID WINDING FLOWS IN THE SAME DIRECTION, THEREBY TO CAUSE, UPON EXCITATION OF SAID WINDING, A CHANGE OF MAGNETIC STATE OF SAID ELONGATED STORAGE ELEMENTS AT SAID LOCATIONS.
Claim 2
Dependent Claim 124 words
A MAGNETIC MEMORY COMPRISING IN COMBINATION A PLURALITY OF ELONGATED MAGNETIC STORAGE ELEMENTS AND AT LEAST ONE SOLENOID EXTENDING TRANSVERSELY AND IN OVERLYING RELATION THERETO, SAID SOLENOID INCLUDING A SUBSTRATE OF INSULATING MATERIAL AND AN EXCITATION WINDING HAVING A SET OF INDIVIDUAL TURNS DISPOSD IN COPLANAR RELATIVELY CLOSELY SPACED RELATION ON SAID SUBSTRATE TO DEFINE STORAGE LOCATIONS AT THE INTERSECTIONS BETWEEN SAID WINDING AND SAID ELEMENTS AND HAVING CONNECTING MEANS FOR PERMITTING AN EXCITATION CURRENT TO BE DRIVEN SERIALLY THROUGH SAID SET OF COPLANAR TURNS SO THAT THE CURRENT THROUGH ADJACENT ONES OF SAID TURNS OF SAID WINDING FLOWS IN THE SAME DIRECTION, THEREBY TO CAUSE, UPON EXCITATION OF SAID WINDING, A CHANGE OF MAGNETIC STATE OF SAID ELONGATED STORAGE ELEMENTS AT SAID LOCATIONS.

References Cited (Backward Citations)

US3002260A Cited
US3011247A Cited
US3069665A 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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