Patent US2636851A successfully refreshed from Google Patents.
US3213432A
Expired / Lapsed
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⏱️ 0.0 years remaining
Magnetic core assembly
Assignee: Unisys Corp
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Filing: 1961-02-23
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Granted: 1965-10-19
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Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Samson Robert
- 👤 James E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:39
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A MEMORY CORE SYSTEM, A PLURALITY OF COMPLEMENTARY MEMBERS OF DIELECTRIC MATERIAL FOR HOLDING A MULTIPLICITY OF TOROIDAL CORES THEREBETWEEN, ECH OF SAID MEMBERS HAVINT AN ALIGNED GROOVE THEREIN INTO WHICH SAID CORES FIT, A PLURALITY OF POSTS DISPOSED IN A LINE ALONG A MARGIN OF THE GROOVE OF EACH SAID MEMBER AND ON THE OPPOSITE END SURFACES THEREOF, THE POSTS ON ADJACENT MEMBERS BEING ALIGNED WITH ONE ANOTHER AND IN A DIRECTION TRANSVERSE TO THE LONGITUDINAL DIRECTION OF THE MEMBERS, A DRIVER WINDING INDIVIDUAL TO AND ENCIRCLING EACH CORE AND HAVING ITS FREE ENDS ELECTRICALLY CONNECTED TO A PAIR OF POSTS IN THE LINE WITH ONE ANOTHER BETWEEN ADJACENT CORE RECEIVING MEMBERS, AND A PLURALITY OF SENSE WINDINGS THREADED AXIALLY THROUGH THE CORES IN EACH SAID GROOVE AND ELECTRICALLY CONNECTED TO THE POSTS ON THE OPPOSITE END SURFACES OF THE MEMBERS.
Claim 2
Dependent Claim
143 words
IN A MEMORY CORE SYSTEM, A PLURALITY OF COMPLEMENTARY MEMBERS OF DIELECTRIC MATERIAL FOR HOLDING A MULTIPLICITY OF TOROIDAL CORES THEREBETWEEN, ECH OF SAID MEMBERS HAVINT AN ALIGNED GROOVE THEREIN INTO WHICH SAID CORES FIT, A PLURALITY OF POSTS DISPOSED IN A LINE ALONG A MARGIN OF THE GROOVE OF EACH SAID MEMBER AND ON THE OPPOSITE END SURFACES THEREOF, THE POSTS ON ADJACENT MEMBERS BEING ALIGNED WITH ONE ANOTHER AND IN A DIRECTION TRANSVERSE TO THE LONGITUDINAL DIRECTION OF THE MEMBERS, A DRIVER WINDING INDIVIDUAL TO AND ENCIRCLING EACH CORE AND HAVING ITS FREE ENDS ELECTRICALLY CONNECTED TO A PAIR OF POSTS IN THE LINE WITH ONE ANOTHER BETWEEN ADJACENT CORE RECEIVING MEMBERS, AND A PLURALITY OF SENSE WINDINGS THREADED AXIALLY THROUGH THE CORES IN EACH SAID GROOVE AND ELECTRICALLY CONNECTED TO THE POSTS ON THE OPPOSITE END SURFACES OF THE MEMBERS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |