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US3181128A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic core memory structure

Assignee: NCR Voyix Corp
•
Filing: 1959-09-17
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Granted: 1965-04-27
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Expires: 1979-09-17
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Abstract

No abstract record available.

Inventors

  • 👤 Bruce E Peck
  • 👤 Fujimoto Calvin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 11:14
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/224; H05; H05K; H05K3/00; H05K3/22; H05K3/28; H05K3/284; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/49222

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 205 words
A MAGNETIC CORE MEMORY ARRAY STRUCTURE COMPRISING IN COMBINATION: CIRCUIT MEANS INCLUDING TOROIDAL CORES, CONDUCTOR WINDINGS, AND TERMINALS FOR SAID WINDINGS; RIGID CARRIER MEANS COMPRISING A PRE-FORMED CASING HAVING A RECESSED CENTRAL PORTION SURROUNDED BY A THICK PERIPHERAL FLANGE TO FORM BOTH TOP AND BOTTOM RECESSES IN SAID CASING FOR CASTING A MASS OF ELASTOMERIC MATERIAL TO EMBED SAID CIRCUIT MEANS THEREIN, SAID CENTRAL PORTION OF SAID CASING HAVING OPENINGS INCLUDING COUNTERBORES FOR SEATING SAID CORES AND SUPPORTING THE CORES IN SAID CENTRAL AREA DURING THREADING OF SAID CONDUCTOR WINDINGS THROUGH APERTURES IN SAID TOROIDAL CORES, AND A ROW OF OPENINGS IN SAID CASING ABOUT THE PERIPHERY OF SAID CENTRAL PORTION, SAID TERMINALS FOR SAID WINDINGS BEING SEATED IN SAID ROW OF OPENINGS AND HAVING LOWER PORTIONS THEREOF PROJECTING INTO SAID BOTTOM RECESS FOR CONNECTION TO SAID WINDINGS; AND A SOFT, RESILIENT MATRIX COMPRISING SAID ELASTOMERIC MATERIAL CAST IN SAID TOP AND BOTTOM RECESSES TO FILL SAID RECESSES WITH SAID MATERIAL, COVER OVER BOTH SIDES OF SAID CENTRAL PORTION TO ENGAGE BOTH SURFACES THEREOF, AND FILL SAID CORE APERTURES TO EMBED SAID CORES, SAID WINDINGS AND SAID LOWER PORTIONS OF SAID TERMINALS FOR RESILIENTLY SECURING SAID CORES, WINDINGS AND TERMINALS IN SAID MATRIX AND CASING.

References Cited (Backward Citations)

US2875409A Cited
US2864057A Cited
US2824294A Cited
US2970296A Cited
US2901736A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-04-26 1968-10-26 1969-04-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-04-26 1972-10-26 1973-04-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-04-26 1976-10-26 1977-04-27 $7700.00 Window Closed / Lapsed

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