US3210745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic core memories
Assignee: Unisys Corp
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Filing: 1962-08-31
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Granted: 1965-10-05
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Richard J Dadamo
- 👤 William M Hennessey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:29
CPC Classifications
G; G11; G11C; G11C5/00; G11C5/02; G11C5/04; G11C5/05; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A MAGNETIC CORE MEMORY ASSEMBLY COMPRISING A PLURALITY OF MEMORY PLANES COUPLED TOGETHER, EACH PLANE INCLUDING A RECTANGULAR INSULATING PLATE HAVING FOUR EDGES AND TOP AND BOTTOM SURFACES, A PLURALITY OF CONDUCTIVE CONTACT ELEMENTS EXTENDING ALONG EACH EDGE OF EACH INSULATING PLATE, SAID CONTACT ELEMENTS COMPRISING ALTERNATING LARGE-AREA AND SMALL-AREA ELEMENTS, EACH LARGE-AREA ELEMENT INCLUDING AN EDGE PORTION POSITIONED ADJACENT TO ONE OF SAID EDGES OF SAID PLATE WHEREBY CONTACT FROM OUTSIDE THE PLANE AND BETWEEN ONE PLANE AND ANOTHER MAY BE READILY MADE, EACH SMALL-AREA ELEMENT BEING ORIENTED ADJACENT TO A LARGE-AREA ELEMENT INWARDLY OF AN EDGE OF SAID PLATE AND SHIELDED FROM AN EDGE BY SAID EDGE PORTION OF A LARGE-AREA ELEMENT, A SEPARATE ARRAY OF MAGNETIC CORE ELEMENTS DISPOSED ON EACH OF THE TOP AND BOTTOM SURFACES OF EACH INSULATING PLATE IN EACH MEMORY PLANE, AND A PLURALITY OF PARALLEL WIRES THREADED THROUGH SAID CORES AND SECURED TO SAID CONTACT ELEMENTS, ON WIRE ORIGINATING AT A LARGE-AREA CONACT ELEMENT
Claim 2
Dependent Claim
162 words
A MAGNETIC CORE MEMORY ASSEMBLY COMPRISING A PLURALITY OF MEMORY PLANES COUPLED TOGETHER, EACH PLANE INCLUDING A RECTANGULAR INSULATING PLATE HAVING FOUR EDGES AND TOP AND BOTTOM SURFACES, A PLURALITY OF CONDUCTIVE CONTACT ELEMENTS EXTENDING ALONG EACH EDGE OF EACH INSULATING PLATE, SAID CONTACT ELEMENTS COMPRISING ALTERNATING LARGE-AREA AND SMALL-AREA ELEMENTS, EACH LARGE-AREA ELEMENT INCLUDING AN EDGE PORTION POSITIONED ADJACENT TO ONE OF SAID EDGES OF SAID PLATE WHEREBY CONTACT FROM OUTSIDE THE PLANE AND BETWEEN ONE PLANE AND ANOTHER MAY BE READILY MADE, EACH SMALL-AREA ELEMENT BEING ORIENTED ADJACENT TO A LARGE-AREA ELEMENT INWARDLY OF AN EDGE OF SAID PLATE AND SHIELDED FROM AN EDGE BY SAID EDGE PORTION OF A LARGE-AREA ELEMENT, A SEPARATE ARRAY OF MAGNETIC CORE ELEMENTS DISPOSED ON EACH OF THE TOP AND BOTTOM SURFACES OF EACH INSULATING PLATE IN EACH MEMORY PLANE, AND A PLURALITY OF PARALLEL WIRES THREADED THROUGH SAID CORES AND SECURED TO SAID CONTACT ELEMENTS, ON WIRE ORIGINATING AT A LARGE-AREA CONACT ELEMENT
References Cited (Backward Citations)
US2934748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |