US3134964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic memory device with orthogonal intersecting flux paths
Assignee: Ford Motor Co
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Filing: 1958-03-24
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Granted: 1964-05-26
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Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 Cravens L Wanlass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:03
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/10; G11C5/00; G11C5/02; G11C7/00; H; H01; H01F; H01F3/00; H01F3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN A MEMORY ELEMENT FOR STORING AND REPRODUCING BINARY INFORMATION PRESENTED IN THE FORM OF POSITIVE AND NEGATIVE VOLTAGE PULSES, THE COMBINATION OF: A UNITARY BLOCK OF MAGNETIC MATERIAL WITH TWO SATURATION STATES AND FLUX RETENTIVITY, SAID BLOCK HAVING FIRST AND SECOND NONINTERSECTING OPENINGS THERETHROUGH PERPENDICULAR TO EACH OTHER WITH THE OPENINGS SPACED FROM EACH OTHER BY A FLUX ZONE THEREBETWEEN, AND INCLUDING A FIRST CONTINUOUS FLUX PATH ABOUT SAID FIRST OPENING, AND A SECOND CONTINUOUS FLUX PATH ABOUT SAID SECOND OPENING INTERSECTING AND PERPENDICULAR TO SAID FIRST FLUX PATH IN SAID FLUX ZONE; AT LEAST ONE WRITE CONDUCTOR IN SAID FIRST OPENING;
Claim 2
Dependent Claim
103 words
IN A MEMORY ELEMENT FOR STORING AND REPRODUCING BINARY INFORMATION PRESENTED IN THE FORM OF POSITIVE AND NEGATIVE VOLTAGE PULSES, THE COMBINATION OF: A UNITARY BLOCK OF MAGNETIC MATERIAL WITH TWO SATURATION STATES AND FLUX RETENTIVITY, SAID BLOCK HAVING FIRST AND SECOND NONINTERSECTING OPENINGS THERETHROUGH PERPENDICULAR TO EACH OTHER WITH THE OPENINGS SPACED FROM EACH OTHER BY A FLUX ZONE THEREBETWEEN, AND INCLUDING A FIRST CONTINUOUS FLUX PATH ABOUT SAID FIRST OPENING, AND A SECOND CONTINUOUS FLUX PATH ABOUT SAID SECOND OPENING INTERSECTING AND PERPENDICULAR TO SAID FIRST FLUX PATH IN SAID FLUX ZONE; AT LEAST ONE WRITE CONDUCTOR IN SAID FIRST OPENING;
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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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |